From c08bc659b98ee42b736cb138f057ca87ef94d0d7 Mon Sep 17 00:00:00 2001
From: SquidSpirit <squid@squidspirit.com>
Date: Mon, 5 May 2025 06:40:03 +0800
Subject: [PATCH] BLOG-43 feat: post info usecase

---
 .vscode/settings.json                         |   5 +
 backend/Cargo.lock                            | 368 +++++++++++++++++-
 backend/Cargo.toml                            |   7 +
 backend/feature/post/Cargo.toml               |   3 +
 backend/feature/post/src/adapter.rs           |   2 +
 .../feature/post/src/adapter/controller.rs    |   3 +
 .../adapter/controller/label_response_dto.rs  |  21 +
 .../src/adapter/controller/post_controller.rs |  42 ++
 .../controller/post_info_response_dto.rs      |  32 ++
 backend/feature/post/src/adapter/gateway.rs   |   2 +
 .../src/adapter/gateway/post_db_service.rs    |   8 +
 .../adapter/gateway/post_repository_impl.rs   |  29 ++
 backend/feature/post/src/application.rs       |   3 +
 backend/feature/post/src/application/error.rs |   1 +
 .../post/src/application/error/post_error.rs  |   1 +
 .../feature/post/src/application/gateway.rs   |   1 +
 .../application/gateway/post_repository.rs    |   8 +
 .../feature/post/src/application/use_case.rs  |   1 +
 .../use_case/get_all_post_info_use_case.rs    |  30 ++
 backend/feature/post/src/domain.rs            |   1 +
 backend/feature/post/src/domain/entity.rs     |   3 +
 .../feature/post/src/domain/entity/label.rs   |   5 +
 .../feature/post/src/domain/entity/post.rs    |   7 +
 .../post/src/domain/entity/post_info.rs       |  12 +
 backend/feature/post/src/framework.rs         |   2 +
 backend/feature/post/src/framework/db.rs      |   1 +
 .../src/framework/db/post_db_service_impl.rs  |  31 ++
 backend/feature/post/src/framework/web.rs     |   1 +
 .../post/src/framework/web/post_web_routes.rs |  18 +
 backend/feature/post/src/lib.rs               |   4 +
 backend/server/Cargo.toml                     |   3 +
 backend/server/src/controllers.rs             |  25 ++
 backend/server/src/lib.rs                     |   1 +
 backend/server/src/main.rs                    |  29 +-
 34 files changed, 705 insertions(+), 5 deletions(-)
 create mode 100644 backend/feature/post/src/adapter.rs
 create mode 100644 backend/feature/post/src/adapter/controller.rs
 create mode 100644 backend/feature/post/src/adapter/controller/label_response_dto.rs
 create mode 100644 backend/feature/post/src/adapter/controller/post_controller.rs
 create mode 100644 backend/feature/post/src/adapter/controller/post_info_response_dto.rs
 create mode 100644 backend/feature/post/src/adapter/gateway.rs
 create mode 100644 backend/feature/post/src/adapter/gateway/post_db_service.rs
 create mode 100644 backend/feature/post/src/adapter/gateway/post_repository_impl.rs
 create mode 100644 backend/feature/post/src/application.rs
 create mode 100644 backend/feature/post/src/application/error.rs
 create mode 100644 backend/feature/post/src/application/error/post_error.rs
 create mode 100644 backend/feature/post/src/application/gateway.rs
 create mode 100644 backend/feature/post/src/application/gateway/post_repository.rs
 create mode 100644 backend/feature/post/src/application/use_case.rs
 create mode 100644 backend/feature/post/src/application/use_case/get_all_post_info_use_case.rs
 create mode 100644 backend/feature/post/src/domain.rs
 create mode 100644 backend/feature/post/src/domain/entity.rs
 create mode 100644 backend/feature/post/src/domain/entity/label.rs
 create mode 100644 backend/feature/post/src/domain/entity/post.rs
 create mode 100644 backend/feature/post/src/domain/entity/post_info.rs
 create mode 100644 backend/feature/post/src/framework.rs
 create mode 100644 backend/feature/post/src/framework/db.rs
 create mode 100644 backend/feature/post/src/framework/db/post_db_service_impl.rs
 create mode 100644 backend/feature/post/src/framework/web.rs
 create mode 100644 backend/feature/post/src/framework/web/post_web_routes.rs
 create mode 100644 backend/server/src/controllers.rs
 create mode 100644 backend/server/src/lib.rs

diff --git a/.vscode/settings.json b/.vscode/settings.json
index 93b6c3c..d86acab 100644
--- a/.vscode/settings.json
+++ b/.vscode/settings.json
@@ -1,6 +1,11 @@
 {
     "cSpell.words": [
         "actix",
+        "chrono",
+        "serde",
         "squidspirit"
+    ],
+    "java.project.sourcePaths": [
+        "backend/feature/post/src"
     ]
 }
\ No newline at end of file
diff --git a/backend/Cargo.lock b/backend/Cargo.lock
index e05c8e1..70d840c 100644
--- a/backend/Cargo.lock
+++ b/backend/Cargo.lock
@@ -224,6 +224,82 @@ dependencies = [
  "alloc-no-stdlib",
 ]
 
+[[package]]
+name = "android-tzdata"
+version = "0.1.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "e999941b234f3131b00bc13c22d06e8c5ff726d1b6318ac7eb276997bbb4fef0"
+
+[[package]]
+name = "android_system_properties"
+version = "0.1.5"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "819e7219dbd41043ac279b19830f2efc897156490d7fd6ea916720117ee66311"
+dependencies = [
+ "libc",
+]
+
+[[package]]
+name = "anstream"
+version = "0.6.18"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "8acc5369981196006228e28809f761875c0327210a891e941f4c683b3a99529b"
+dependencies = [
+ "anstyle",
+ "anstyle-parse",
+ "anstyle-query",
+ "anstyle-wincon",
+ "colorchoice",
+ "is_terminal_polyfill",
+ "utf8parse",
+]
+
+[[package]]
+name = "anstyle"
+version = "1.0.10"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "55cc3b69f167a1ef2e161439aa98aed94e6028e5f9a59be9a6ffb47aef1651f9"
+
+[[package]]
+name = "anstyle-parse"
+version = "0.2.6"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "3b2d16507662817a6a20a9ea92df6652ee4f94f914589377d69f3b21bc5798a9"
+dependencies = [
+ "utf8parse",
+]
+
+[[package]]
+name = "anstyle-query"
+version = "1.1.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "79947af37f4177cfead1110013d678905c37501914fba0efea834c3fe9a8d60c"
+dependencies = [
+ "windows-sys 0.59.0",
+]
+
+[[package]]
+name = "anstyle-wincon"
+version = "3.0.7"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "ca3534e77181a9cc07539ad51f2141fe32f6c3ffd4df76db8ad92346b003ae4e"
+dependencies = [
+ "anstyle",
+ "once_cell",
+ "windows-sys 0.59.0",
+]
+
+[[package]]
+name = "async-trait"
+version = "0.1.88"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "e539d3fca749fcee5236ab05e93a52867dd549cc157c8cb7f99595f3cedffdb5"
+dependencies = [
+ "proc-macro2",
+ "quote",
+ "syn",
+]
+
 [[package]]
 name = "autocfg"
 version = "1.4.0"
@@ -287,6 +363,12 @@ dependencies = [
  "alloc-stdlib",
 ]
 
+[[package]]
+name = "bumpalo"
+version = "3.17.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "1628fb46dfa0b37568d12e5edd512553eccf6a22a78e8bde00bb4aed84d5bdbf"
+
 [[package]]
 name = "bytes"
 version = "1.10.1"
@@ -319,6 +401,26 @@ version = "1.0.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "baf1de4339761588bc0619e3cbc0120ee582ebb74b53b4efbf79117bd2da40fd"
 
+[[package]]
+name = "chrono"
+version = "0.4.41"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "c469d952047f47f91b68d1cba3f10d63c11d73e4636f24f08daf0278abf01c4d"
+dependencies = [
+ "android-tzdata",
+ "iana-time-zone",
+ "js-sys",
+ "num-traits",
+ "wasm-bindgen",
+ "windows-link",
+]
+
+[[package]]
+name = "colorchoice"
+version = "1.0.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "5b63caa9aa9397e2d9480a9b13673856c78d8ac123288526c37d7839f2a86990"
+
 [[package]]
 name = "cookie"
 version = "0.16.2"
@@ -330,6 +432,12 @@ dependencies = [
  "version_check",
 ]
 
+[[package]]
+name = "core-foundation-sys"
+version = "0.8.7"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "773648b94d0e5d620f64f280777445740e61fe701025087ec8b57f45c791888b"
+
 [[package]]
 name = "cpufeatures"
 version = "0.2.17"
@@ -418,6 +526,29 @@ dependencies = [
  "cfg-if",
 ]
 
+[[package]]
+name = "env_filter"
+version = "0.1.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "186e05a59d4c50738528153b83b0b0194d3a29507dfec16eccd4b342903397d0"
+dependencies = [
+ "log",
+ "regex",
+]
+
+[[package]]
+name = "env_logger"
+version = "0.11.8"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "13c863f0904021b108aa8b2f55046443e6b1ebde8fd4a15c399893aae4fa069f"
+dependencies = [
+ "anstream",
+ "anstyle",
+ "env_filter",
+ "jiff",
+ "log",
+]
+
 [[package]]
 name = "equivalent"
 version = "1.0.2"
@@ -561,6 +692,30 @@ version = "1.0.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "df3b46402a9d5adb4c86a0cf463f42e19994e3ee891101b1841f30a545cb49a9"
 
+[[package]]
+name = "iana-time-zone"
+version = "0.1.63"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "b0c919e5debc312ad217002b8048a17b7d83f80703865bbfcfebb0458b0b27d8"
+dependencies = [
+ "android_system_properties",
+ "core-foundation-sys",
+ "iana-time-zone-haiku",
+ "js-sys",
+ "log",
+ "wasm-bindgen",
+ "windows-core",
+]
+
+[[package]]
+name = "iana-time-zone-haiku"
+version = "0.1.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "f31827a206f56af32e590ba56d5d2d085f558508192593743f16b2306495269f"
+dependencies = [
+ "cc",
+]
+
 [[package]]
 name = "icu_collections"
 version = "1.5.0"
@@ -716,12 +871,42 @@ dependencies = [
  "hashbrown",
 ]
 
+[[package]]
+name = "is_terminal_polyfill"
+version = "1.70.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "7943c866cc5cd64cbc25b2e01621d07fa8eb2a1a23160ee81ce38704e97b8ecf"
+
 [[package]]
 name = "itoa"
 version = "1.0.15"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "4a5f13b858c8d314ee3e8f639011f7ccefe71f97f96e50151fb991f267928e2c"
 
+[[package]]
+name = "jiff"
+version = "0.2.12"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "d07d8d955d798e7a4d6f9c58cd1f1916e790b42b092758a9ef6e16fef9f1b3fd"
+dependencies = [
+ "jiff-static",
+ "log",
+ "portable-atomic",
+ "portable-atomic-util",
+ "serde",
+]
+
+[[package]]
+name = "jiff-static"
+version = "0.2.12"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "f244cfe006d98d26f859c7abd1318d85327e1882dc9cef80f62daeeb0adcf300"
+dependencies = [
+ "proc-macro2",
+ "quote",
+ "syn",
+]
+
 [[package]]
 name = "jobserver"
 version = "0.1.33"
@@ -732,6 +917,16 @@ dependencies = [
  "libc",
 ]
 
+[[package]]
+name = "js-sys"
+version = "0.3.77"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "1cfaf33c695fc6e08064efbc1f72ec937429614f25eef83af942d0e227c3a28f"
+dependencies = [
+ "once_cell",
+ "wasm-bindgen",
+]
+
 [[package]]
 name = "language-tags"
 version = "0.3.2"
@@ -813,7 +1008,7 @@ dependencies = [
  "libc",
  "log",
  "wasi 0.11.0+wasi-snapshot-preview1",
- "windows-sys",
+ "windows-sys 0.52.0",
 ]
 
 [[package]]
@@ -822,6 +1017,15 @@ version = "0.1.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "51d515d32fb182ee37cda2ccdcb92950d6a3c2893aa280e540671c2cd0f3b1d9"
 
+[[package]]
+name = "num-traits"
+version = "0.2.19"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "071dfc062690e90b734c0b2273ce72ad0ffa95f0c74596bc250dcfd960262841"
+dependencies = [
+ "autocfg",
+]
+
 [[package]]
 name = "object"
 version = "0.36.7"
@@ -884,11 +1088,29 @@ version = "0.3.32"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "7edddbd0b52d732b21ad9a5fab5c704c14cd949e5e9a1ec5929a24fded1b904c"
 
+[[package]]
+name = "portable-atomic"
+version = "1.11.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "350e9b48cbc6b0e028b0473b114454c6316e57336ee184ceab6e53f72c178b3e"
+
+[[package]]
+name = "portable-atomic-util"
+version = "0.2.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "d8a2f0d8d040d7848a709caf78912debcc3f33ee4b3cac47d73d1e1069e83507"
+dependencies = [
+ "portable-atomic",
+]
+
 [[package]]
 name = "post"
 version = "0.1.1"
 dependencies = [
  "actix-web",
+ "async-trait",
+ "chrono",
+ "serde",
 ]
 
 [[package]]
@@ -1009,6 +1231,12 @@ version = "0.1.24"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "719b953e2095829ee67db738b3bfa9fa368c94900df327b3f07fe6e794d2fe1f"
 
+[[package]]
+name = "rustversion"
+version = "1.0.20"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "eded382c5f5f786b989652c49544c4877d9f015cc22e145a5ea8ea66c2921cd2"
+
 [[package]]
 name = "ryu"
 version = "1.0.20"
@@ -1070,6 +1298,8 @@ name = "server"
 version = "0.1.1"
 dependencies = [
  "actix-web",
+ "env_logger",
+ "post",
 ]
 
 [[package]]
@@ -1120,7 +1350,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "4f5fd57c80058a56cf5c777ab8a126398ece8e442983605d280a44ce79d0edef"
 dependencies = [
  "libc",
- "windows-sys",
+ "windows-sys 0.52.0",
 ]
 
 [[package]]
@@ -1206,7 +1436,7 @@ dependencies = [
  "pin-project-lite",
  "signal-hook-registry",
  "socket2",
- "windows-sys",
+ "windows-sys 0.52.0",
 ]
 
 [[package]]
@@ -1295,6 +1525,12 @@ version = "1.0.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "b6c140620e7ffbb22c2dee59cafe6084a59b5ffc27a8859a5f0d494b5d52b6be"
 
+[[package]]
+name = "utf8parse"
+version = "0.2.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "06abde3611657adf66d383f00b093d7faecc7fa57071cce2578660c9f1010821"
+
 [[package]]
 name = "version_check"
 version = "0.9.5"
@@ -1316,6 +1552,123 @@ dependencies = [
  "wit-bindgen-rt",
 ]
 
+[[package]]
+name = "wasm-bindgen"
+version = "0.2.100"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "1edc8929d7499fc4e8f0be2262a241556cfc54a0bea223790e71446f2aab1ef5"
+dependencies = [
+ "cfg-if",
+ "once_cell",
+ "rustversion",
+ "wasm-bindgen-macro",
+]
+
+[[package]]
+name = "wasm-bindgen-backend"
+version = "0.2.100"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "2f0a0651a5c2bc21487bde11ee802ccaf4c51935d0d3d42a6101f98161700bc6"
+dependencies = [
+ "bumpalo",
+ "log",
+ "proc-macro2",
+ "quote",
+ "syn",
+ "wasm-bindgen-shared",
+]
+
+[[package]]
+name = "wasm-bindgen-macro"
+version = "0.2.100"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "7fe63fc6d09ed3792bd0897b314f53de8e16568c2b3f7982f468c0bf9bd0b407"
+dependencies = [
+ "quote",
+ "wasm-bindgen-macro-support",
+]
+
+[[package]]
+name = "wasm-bindgen-macro-support"
+version = "0.2.100"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "8ae87ea40c9f689fc23f209965b6fb8a99ad69aeeb0231408be24920604395de"
+dependencies = [
+ "proc-macro2",
+ "quote",
+ "syn",
+ "wasm-bindgen-backend",
+ "wasm-bindgen-shared",
+]
+
+[[package]]
+name = "wasm-bindgen-shared"
+version = "0.2.100"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "1a05d73b933a847d6cccdda8f838a22ff101ad9bf93e33684f39c1f5f0eece3d"
+dependencies = [
+ "unicode-ident",
+]
+
+[[package]]
+name = "windows-core"
+version = "0.61.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "4763c1de310c86d75a878046489e2e5ba02c649d185f21c67d4cf8a56d098980"
+dependencies = [
+ "windows-implement",
+ "windows-interface",
+ "windows-link",
+ "windows-result",
+ "windows-strings",
+]
+
+[[package]]
+name = "windows-implement"
+version = "0.60.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "a47fddd13af08290e67f4acabf4b459f647552718f683a7b415d290ac744a836"
+dependencies = [
+ "proc-macro2",
+ "quote",
+ "syn",
+]
+
+[[package]]
+name = "windows-interface"
+version = "0.59.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "bd9211b69f8dcdfa817bfd14bf1c97c9188afa36f4750130fcdf3f400eca9fa8"
+dependencies = [
+ "proc-macro2",
+ "quote",
+ "syn",
+]
+
+[[package]]
+name = "windows-link"
+version = "0.1.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "76840935b766e1b0a05c0066835fb9ec80071d4c09a16f6bd5f7e655e3c14c38"
+
+[[package]]
+name = "windows-result"
+version = "0.3.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "c64fd11a4fd95df68efcfee5f44a294fe71b8bc6a91993e2791938abcc712252"
+dependencies = [
+ "windows-link",
+]
+
+[[package]]
+name = "windows-strings"
+version = "0.4.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "7a2ba9642430ee452d5a7aa78d72907ebe8cfda358e8cb7918a2050581322f97"
+dependencies = [
+ "windows-link",
+]
+
 [[package]]
 name = "windows-sys"
 version = "0.52.0"
@@ -1325,6 +1678,15 @@ dependencies = [
  "windows-targets",
 ]
 
+[[package]]
+name = "windows-sys"
+version = "0.59.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "1e38bc4d79ed67fd075bcc251a1c39b32a1776bbe92e5bef1f0bf1f8c531853b"
+dependencies = [
+ "windows-targets",
+]
+
 [[package]]
 name = "windows-targets"
 version = "0.52.6"
diff --git a/backend/Cargo.toml b/backend/Cargo.toml
index 6fca592..9109657 100644
--- a/backend/Cargo.toml
+++ b/backend/Cargo.toml
@@ -8,3 +8,10 @@ edition = "2024"
 
 [workspace.dependencies]
 actix-web = "4.10.2"
+async-trait = "0.1.88"
+chrono = "0.4.41"
+env_logger = "0.11.8"
+serde = { version = "1.0.219", features = ["derive"] }
+
+server.path = "server"
+post.path = "feature/post"
diff --git a/backend/feature/post/Cargo.toml b/backend/feature/post/Cargo.toml
index 6f5acee..5107a14 100644
--- a/backend/feature/post/Cargo.toml
+++ b/backend/feature/post/Cargo.toml
@@ -5,3 +5,6 @@ edition.workspace = true
 
 [dependencies]
 actix-web.workspace = true
+async-trait.workspace = true
+chrono.workspace = true
+serde.workspace = true
diff --git a/backend/feature/post/src/adapter.rs b/backend/feature/post/src/adapter.rs
new file mode 100644
index 0000000..3dc4028
--- /dev/null
+++ b/backend/feature/post/src/adapter.rs
@@ -0,0 +1,2 @@
+pub mod controller;
+pub mod gateway;
diff --git a/backend/feature/post/src/adapter/controller.rs b/backend/feature/post/src/adapter/controller.rs
new file mode 100644
index 0000000..a8f9aca
--- /dev/null
+++ b/backend/feature/post/src/adapter/controller.rs
@@ -0,0 +1,3 @@
+pub mod label_response_dto;
+pub mod post_controller;
+pub mod post_info_response_dto;
diff --git a/backend/feature/post/src/adapter/controller/label_response_dto.rs b/backend/feature/post/src/adapter/controller/label_response_dto.rs
new file mode 100644
index 0000000..1c552d1
--- /dev/null
+++ b/backend/feature/post/src/adapter/controller/label_response_dto.rs
@@ -0,0 +1,21 @@
+use serde::Serialize;
+
+use crate::domain::entity::label::Label;
+
+#[derive(Serialize)]
+pub struct LabelResponseDto {
+    pub id: u32,
+    pub name: String,
+    pub color: String,
+}
+
+impl From<Label> for LabelResponseDto {
+    fn from(entity: Label) -> Self {
+        Self {
+            id: entity.id,
+            name: entity.name,
+            color: entity.color,
+        }
+    }
+    
+}
\ No newline at end of file
diff --git a/backend/feature/post/src/adapter/controller/post_controller.rs b/backend/feature/post/src/adapter/controller/post_controller.rs
new file mode 100644
index 0000000..c790e4f
--- /dev/null
+++ b/backend/feature/post/src/adapter/controller/post_controller.rs
@@ -0,0 +1,42 @@
+use std::sync::Arc;
+
+use async_trait::async_trait;
+
+use crate::application::{
+    error::post_error::PostError, use_case::get_all_post_info_use_case::GetAllPostInfoUseCase,
+};
+
+use super::post_info_response_dto::PostInfoResponseDto;
+
+#[async_trait]
+pub trait PostController: Send + Sync {
+    async fn get_all_post_info(&self) -> Result<Vec<PostInfoResponseDto>, PostError>;
+}
+
+pub struct PostControllerImpl {
+    get_all_post_info_use_case: Arc<dyn GetAllPostInfoUseCase>,
+}
+
+impl PostControllerImpl {
+    pub fn new(get_all_post_info_use_case: Arc<dyn GetAllPostInfoUseCase>) -> Self {
+        Self {
+            get_all_post_info_use_case,
+        }
+    }
+}
+
+#[async_trait]
+impl PostController for PostControllerImpl {
+    async fn get_all_post_info(&self) -> Result<Vec<PostInfoResponseDto>, PostError> {
+        let result = self.get_all_post_info_use_case.execute().await;
+
+        result.map(|post_info_list| {
+            let post_info_response_dto_list: Vec<PostInfoResponseDto> = post_info_list
+                .into_iter()
+                .map(|post_info| PostInfoResponseDto::from(post_info))
+                .collect();
+
+            post_info_response_dto_list
+        })
+    }
+}
diff --git a/backend/feature/post/src/adapter/controller/post_info_response_dto.rs b/backend/feature/post/src/adapter/controller/post_info_response_dto.rs
new file mode 100644
index 0000000..ce29d18
--- /dev/null
+++ b/backend/feature/post/src/adapter/controller/post_info_response_dto.rs
@@ -0,0 +1,32 @@
+use serde::Serialize;
+
+use crate::domain::entity::post_info::PostInfo;
+
+use super::label_response_dto::LabelResponseDto;
+
+#[derive(Serialize)]
+pub struct PostInfoResponseDto {
+    pub id: u32,
+    pub title: String,
+    pub description: String,
+    pub preview_image_url: String,
+    pub labels: Vec<LabelResponseDto>,
+    pub published_time: i64,
+}
+
+impl From<PostInfo> for PostInfoResponseDto {
+    fn from(entity: PostInfo) -> Self {
+        Self {
+            id: entity.id,
+            title: entity.title,
+            description: entity.description,
+            preview_image_url: entity.preview_image_url,
+            labels: entity
+                .labels
+                .into_iter()
+                .map(LabelResponseDto::from)
+                .collect(),
+            published_time: entity.published_time.timestamp_micros(),
+        }
+    }
+}
diff --git a/backend/feature/post/src/adapter/gateway.rs b/backend/feature/post/src/adapter/gateway.rs
new file mode 100644
index 0000000..79896f1
--- /dev/null
+++ b/backend/feature/post/src/adapter/gateway.rs
@@ -0,0 +1,2 @@
+pub mod post_db_service;
+pub mod post_repository_impl;
diff --git a/backend/feature/post/src/adapter/gateway/post_db_service.rs b/backend/feature/post/src/adapter/gateway/post_db_service.rs
new file mode 100644
index 0000000..125af5c
--- /dev/null
+++ b/backend/feature/post/src/adapter/gateway/post_db_service.rs
@@ -0,0 +1,8 @@
+use async_trait::async_trait;
+
+use crate::{application::error::post_error::PostError, domain::entity::post_info::PostInfo};
+
+#[async_trait]
+pub trait PostDbService: Send + Sync {
+    async fn get_all_post_info(&self) -> Result<Vec<PostInfo>, PostError>;
+}
diff --git a/backend/feature/post/src/adapter/gateway/post_repository_impl.rs b/backend/feature/post/src/adapter/gateway/post_repository_impl.rs
new file mode 100644
index 0000000..46e4ea2
--- /dev/null
+++ b/backend/feature/post/src/adapter/gateway/post_repository_impl.rs
@@ -0,0 +1,29 @@
+use std::sync::Arc;
+
+use async_trait::async_trait;
+
+use crate::{
+    application::{error::post_error::PostError, gateway::post_repository::PostRepository},
+    domain::entity::post_info::PostInfo,
+};
+
+use super::post_db_service::PostDbService;
+
+pub struct PostRepositoryImpl {
+    post_db_service: Arc<dyn PostDbService>,
+}
+
+impl PostRepositoryImpl {
+    pub fn new(post_db_service: Arc<dyn PostDbService>) -> Self {
+        Self { post_db_service }
+    }
+}
+
+#[async_trait]
+impl PostRepository for PostRepositoryImpl {
+    async fn get_all_post_info(&self) -> Result<Vec<PostInfo>, PostError> {
+        self.post_db_service
+            .get_all_post_info()
+            .await
+    }
+}
diff --git a/backend/feature/post/src/application.rs b/backend/feature/post/src/application.rs
new file mode 100644
index 0000000..f24625e
--- /dev/null
+++ b/backend/feature/post/src/application.rs
@@ -0,0 +1,3 @@
+pub mod error;
+pub mod gateway;
+pub mod use_case;
diff --git a/backend/feature/post/src/application/error.rs b/backend/feature/post/src/application/error.rs
new file mode 100644
index 0000000..6fc6ecf
--- /dev/null
+++ b/backend/feature/post/src/application/error.rs
@@ -0,0 +1 @@
+pub mod post_error;
diff --git a/backend/feature/post/src/application/error/post_error.rs b/backend/feature/post/src/application/error/post_error.rs
new file mode 100644
index 0000000..5422ab3
--- /dev/null
+++ b/backend/feature/post/src/application/error/post_error.rs
@@ -0,0 +1 @@
+pub enum PostError {}
diff --git a/backend/feature/post/src/application/gateway.rs b/backend/feature/post/src/application/gateway.rs
new file mode 100644
index 0000000..23c53d2
--- /dev/null
+++ b/backend/feature/post/src/application/gateway.rs
@@ -0,0 +1 @@
+pub mod post_repository;
diff --git a/backend/feature/post/src/application/gateway/post_repository.rs b/backend/feature/post/src/application/gateway/post_repository.rs
new file mode 100644
index 0000000..1dd03dc
--- /dev/null
+++ b/backend/feature/post/src/application/gateway/post_repository.rs
@@ -0,0 +1,8 @@
+use async_trait::async_trait;
+
+use crate::{application::error::post_error::PostError, domain::entity::post_info::PostInfo};
+
+#[async_trait]
+pub trait PostRepository: Send + Sync {
+    async fn get_all_post_info(&self) -> Result<Vec<PostInfo>, PostError>;
+}
diff --git a/backend/feature/post/src/application/use_case.rs b/backend/feature/post/src/application/use_case.rs
new file mode 100644
index 0000000..f69db03
--- /dev/null
+++ b/backend/feature/post/src/application/use_case.rs
@@ -0,0 +1 @@
+pub mod get_all_post_info_use_case;
diff --git a/backend/feature/post/src/application/use_case/get_all_post_info_use_case.rs b/backend/feature/post/src/application/use_case/get_all_post_info_use_case.rs
new file mode 100644
index 0000000..9cc7f24
--- /dev/null
+++ b/backend/feature/post/src/application/use_case/get_all_post_info_use_case.rs
@@ -0,0 +1,30 @@
+use std::sync::Arc;
+
+use async_trait::async_trait;
+
+use crate::{
+    application::{error::post_error::PostError, gateway::post_repository::PostRepository},
+    domain::entity::post_info::PostInfo,
+};
+
+#[async_trait]
+pub trait GetAllPostInfoUseCase: Send + Sync {
+    async fn execute(&self) -> Result<Vec<PostInfo>, PostError>;
+}
+
+pub struct GetAllPostInfoUseCaseImpl {
+    post_repository: Arc<dyn PostRepository>,
+}
+
+impl GetAllPostInfoUseCaseImpl {
+    pub fn new(post_repository: Arc<dyn PostRepository>) -> Self {
+        Self { post_repository }
+    }
+}
+
+#[async_trait]
+impl GetAllPostInfoUseCase for GetAllPostInfoUseCaseImpl {
+    async fn execute(&self) -> Result<Vec<PostInfo>, PostError> {
+        self.post_repository.get_all_post_info().await
+    }
+}
diff --git a/backend/feature/post/src/domain.rs b/backend/feature/post/src/domain.rs
new file mode 100644
index 0000000..e8c3d6a
--- /dev/null
+++ b/backend/feature/post/src/domain.rs
@@ -0,0 +1 @@
+pub mod entity;
diff --git a/backend/feature/post/src/domain/entity.rs b/backend/feature/post/src/domain/entity.rs
new file mode 100644
index 0000000..f436af8
--- /dev/null
+++ b/backend/feature/post/src/domain/entity.rs
@@ -0,0 +1,3 @@
+pub mod label;
+pub mod post_info;
+pub mod post;
diff --git a/backend/feature/post/src/domain/entity/label.rs b/backend/feature/post/src/domain/entity/label.rs
new file mode 100644
index 0000000..e4e0392
--- /dev/null
+++ b/backend/feature/post/src/domain/entity/label.rs
@@ -0,0 +1,5 @@
+pub struct Label {
+    pub id: u32,
+    pub name: String,
+    pub color: String,
+}
diff --git a/backend/feature/post/src/domain/entity/post.rs b/backend/feature/post/src/domain/entity/post.rs
new file mode 100644
index 0000000..059860b
--- /dev/null
+++ b/backend/feature/post/src/domain/entity/post.rs
@@ -0,0 +1,7 @@
+use super::post_info::PostInfo;
+
+pub struct Post {
+    pub id: u32,
+    pub info: PostInfo,
+    pub content: String,
+}
diff --git a/backend/feature/post/src/domain/entity/post_info.rs b/backend/feature/post/src/domain/entity/post_info.rs
new file mode 100644
index 0000000..03f8b03
--- /dev/null
+++ b/backend/feature/post/src/domain/entity/post_info.rs
@@ -0,0 +1,12 @@
+use chrono::{DateTime, Utc};
+
+use super::label::Label;
+
+pub struct PostInfo {
+    pub id: u32,
+    pub title: String,
+    pub description: String,
+    pub preview_image_url: String,
+    pub labels: Vec<Label>,
+    pub published_time: DateTime<Utc>,
+}
diff --git a/backend/feature/post/src/framework.rs b/backend/feature/post/src/framework.rs
new file mode 100644
index 0000000..1f54796
--- /dev/null
+++ b/backend/feature/post/src/framework.rs
@@ -0,0 +1,2 @@
+pub mod db;
+pub mod web;
diff --git a/backend/feature/post/src/framework/db.rs b/backend/feature/post/src/framework/db.rs
new file mode 100644
index 0000000..9369473
--- /dev/null
+++ b/backend/feature/post/src/framework/db.rs
@@ -0,0 +1 @@
+pub mod post_db_service_impl;
diff --git a/backend/feature/post/src/framework/db/post_db_service_impl.rs b/backend/feature/post/src/framework/db/post_db_service_impl.rs
new file mode 100644
index 0000000..2f95774
--- /dev/null
+++ b/backend/feature/post/src/framework/db/post_db_service_impl.rs
@@ -0,0 +1,31 @@
+use std::str::FromStr;
+
+use async_trait::async_trait;
+use chrono::DateTime;
+
+use crate::{
+    adapter::gateway::post_db_service::PostDbService, application::error::post_error::PostError,
+    domain::entity::post_info::PostInfo,
+};
+
+pub struct PostDbServiceImpl {}
+
+impl PostDbServiceImpl {
+    pub fn new() -> Self {
+        Self {}
+    }
+}
+
+#[async_trait]
+impl PostDbService for PostDbServiceImpl {
+    async fn get_all_post_info(&self) -> Result<Vec<PostInfo>, PostError> {
+        Ok(vec![PostInfo {
+            id: 1,
+            title: "Post 1".to_string(),
+            description: "Description of post 1".to_string(),
+            preview_image_url: "http://example.com/image1.jpg".to_string(),
+            labels: vec![],
+            published_time: DateTime::from_str("2023-10-01T12:00:00Z").unwrap(),
+        }])
+    }
+}
diff --git a/backend/feature/post/src/framework/web.rs b/backend/feature/post/src/framework/web.rs
new file mode 100644
index 0000000..f41f9a6
--- /dev/null
+++ b/backend/feature/post/src/framework/web.rs
@@ -0,0 +1 @@
+pub mod post_web_routes;
diff --git a/backend/feature/post/src/framework/web/post_web_routes.rs b/backend/feature/post/src/framework/web/post_web_routes.rs
new file mode 100644
index 0000000..d68a9ce
--- /dev/null
+++ b/backend/feature/post/src/framework/web/post_web_routes.rs
@@ -0,0 +1,18 @@
+use std::sync::Arc;
+
+use actix_web::{HttpResponse, Responder, web};
+
+use crate::adapter::controller::post_controller::PostController;
+
+pub fn configure_post_routes(cfg: &mut web::ServiceConfig) {
+    cfg.service(web::resource("/post_info").route(web::get().to(get_all_post_info)));
+}
+
+async fn get_all_post_info(post_controller: web::Data<Arc<dyn PostController>>) -> impl Responder {
+    let result = post_controller.get_all_post_info().await;
+
+    match result {
+        Ok(post_info_list) => HttpResponse::Ok().json(post_info_list),
+        Err(_) => HttpResponse::InternalServerError().finish(),
+    }
+}
diff --git a/backend/feature/post/src/lib.rs b/backend/feature/post/src/lib.rs
index e69de29..062f800 100644
--- a/backend/feature/post/src/lib.rs
+++ b/backend/feature/post/src/lib.rs
@@ -0,0 +1,4 @@
+pub mod adapter;
+pub mod application;
+pub mod domain;
+pub mod framework;
diff --git a/backend/server/Cargo.toml b/backend/server/Cargo.toml
index 2688116..02721ba 100644
--- a/backend/server/Cargo.toml
+++ b/backend/server/Cargo.toml
@@ -5,3 +5,6 @@ edition.workspace = true
 
 [dependencies]
 actix-web.workspace = true
+env_logger.workspace = true
+
+post.workspace = true
diff --git a/backend/server/src/controllers.rs b/backend/server/src/controllers.rs
new file mode 100644
index 0000000..baf8490
--- /dev/null
+++ b/backend/server/src/controllers.rs
@@ -0,0 +1,25 @@
+use std::sync::Arc;
+
+use post::{
+    adapter::{
+        controller::post_controller::{PostController, PostControllerImpl},
+        gateway::post_repository_impl::PostRepositoryImpl,
+    },
+    application::use_case::get_all_post_info_use_case::GetAllPostInfoUseCaseImpl,
+    framework::db::post_db_service_impl::PostDbServiceImpl,
+};
+
+pub struct Controllers {
+    pub post_controller: Arc<dyn PostController>,
+}
+
+impl Controllers {
+    pub fn new() -> Self {
+        let post_db_service = Arc::new(PostDbServiceImpl::new());
+        let post_repository = Arc::new(PostRepositoryImpl::new(post_db_service));
+        let get_all_post_info_use_case = Arc::new(GetAllPostInfoUseCaseImpl::new(post_repository));
+        let post_controller = Arc::new(PostControllerImpl::new(get_all_post_info_use_case));
+
+        Self { post_controller }
+    }
+}
diff --git a/backend/server/src/lib.rs b/backend/server/src/lib.rs
new file mode 100644
index 0000000..f916674
--- /dev/null
+++ b/backend/server/src/lib.rs
@@ -0,0 +1 @@
+pub mod controllers;
diff --git a/backend/server/src/main.rs b/backend/server/src/main.rs
index 44f99e4..63feac1 100644
--- a/backend/server/src/main.rs
+++ b/backend/server/src/main.rs
@@ -1,9 +1,34 @@
-use actix_web::{App, HttpResponse, HttpServer, web};
+use actix_web::{
+    App, Error, HttpServer,
+    body::MessageBody,
+    dev::{ServiceFactory, ServiceRequest, ServiceResponse},
+    web,
+};
+use post::framework::web::post_web_routes::configure_post_routes;
+use server::controllers::Controllers;
 
 #[actix_web::main]
 async fn main() -> std::io::Result<()> {
-    HttpServer::new(|| App::new().route("/", web::get().to(HttpResponse::Ok)))
+    env_logger::init();
+
+    HttpServer::new(create_app)
         .bind(("127.0.0.1", 8080))?
         .run()
         .await
 }
+
+fn create_app() -> App<
+    impl ServiceFactory<
+        ServiceRequest,
+        Response = ServiceResponse<impl MessageBody>,
+        Config = (),
+        InitError = (),
+        Error = Error,
+    >,
+> {
+    let controllers = Controllers::new();
+
+    App::new()
+        .app_data(web::Data::new(controllers.post_controller))
+        .configure(configure_post_routes)
+}