BLOG-59 Enhance deployment workflow and backend server configuration (#60)

### Description

- Updated deployment.yaml to specify separate build and push steps for frontend and backend.
- Added Dockerfile for backend service to define build process.
- Modified main.rs to bind the server to all network interfaces (0.0.0.0) instead of localhost.

### Package Changes

_No response_

### Screenshots

_No response_

### Reference

Resolves #59

### Checklist

- [x] A milestone is set
- [x] The related issuse has been linked to this branch

Reviewed-on: #60
Co-authored-by: SquidSpirit <squid@squidspirit.com>
Co-committed-by: SquidSpirit <squid@squidspirit.com>

.gitea/workflows/deployment.yaml

@@ -24,7 +24,7 @@ jobs:
           username: ${{ vars.REGISTRY_USERNAME }}
           password: ${{ secrets.REGISTRY_PASSWORD }}
 
-      - name: Build and push
+      - name: Build and push (Frontend)
         uses: docker/build-push-action@v6
         with:
           push: true
@@ -33,3 +33,13 @@ jobs:
           tags: |
             ${{ vars.REGISTRY }}/${{ vars.IMAGE_REPO_FRONTEND }}:latest
             ${{ vars.REGISTRY }}/${{ vars.IMAGE_REPO_FRONTEND }}:${{ gitea.event.release.tag_name }}
+
+      - name: Build and push (Backend)
+        uses: docker/build-push-action@v6
+        with:
+          push: true
+          provenance: false
+          context: ./backend
+          tags: |
+            ${{ vars.REGISTRY }}/${{ vars.IMAGE_REPO_BACKEND }}:latest
+            ${{ vars.REGISTRY }}/${{ vars.IMAGE_REPO_BACKEND }}:${{ gitea.event.release.tag_name }}

backend/Dockerfile

@@ -0,0 +1,15 @@
+FROM rust:1-slim AS base
+RUN apt update -qq && apt install -y -qq --no-install-recommends musl-tools
+RUN rustup target add x86_64-unknown-linux-musl
+
+FROM base AS builder
+WORKDIR /app
+COPY . .
+RUN cargo build --release --target x86_64-unknown-linux-musl
+
+FROM alpine:latest AS runner
+WORKDIR /app
+COPY --from=builder /app/target/x86_64-unknown-linux-musl/release/server .
+EXPOSE 8080
+ENV DATABASE_URL=postgres://postgres@localhost:5432/postgres
+CMD ["./server"]

backend/server/src/main.rs

@@ -17,7 +17,7 @@ async fn main() -> std::io::Result<()> {
     let db_pool = init_database().await;
 
     HttpServer::new(move || create_app(db_pool.clone()))
-        .bind(("127.0.0.1", 8080))?
+        .bind(("0.0.0.0", 8080))?
         .run()
         .await
 }