ch3: health check endpoint

.env

@@ -0,0 +1 @@
+DATABASE_URL="postgres://postgres:password@localhost:5432/newsletter"

.github/workflows/general.yaml

@@ -21,122 +21,120 @@ jobs:
   test:
     name: Test
     runs-on: ubuntu-latest
-    # services:
-    #   postgres:
-    #     image: postgres:14
-    #     env:
-    #       POSTGRES_USER: postgres
-    #       POSTGRES_PASSWORD: password
-    #       POSTGRES_DB: postgres
-    #     ports:
-    #       - 5432:5432
-    #   redis:
-    #     image: redis:7
-    #     ports:
-    #       - 6379:6379
+    services:
+      postgres:
+        image: postgres:14
+        env:
+          POSTGRES_USER: postgres
+          POSTGRES_PASSWORD: password
+          POSTGRES_DB: postgres
+        # When you map ports using the ports keyword, GitHub uses the --publish command to publish the container’s ports to the Docker host
+        # Opens tcp port 5432 on the host and service container
+        ports:
+          - 5432:5432
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
       - uses: dtolnay/rust-toolchain@stable
       - uses: Swatinem/rust-cache@v2
         with:
+          # An additional cache key that is added alongside the automatic `job`-based cache key and can be used to further differentiate jobs. default: empty
           key: sqlx-${{ env.SQLX_VERSION }}
-      # - name: Install sqlx-cli
-      #   run:
-      #       cargo install sqlx-cli
-      #       --version=${{ env.SQLX_VERSION }}
-      #       --features ${{ env.SQLX_FEATURES }}
-      #       --no-default-features
-      #       --locked
-      # - name: Migrate database
-      #   run: |
-      #     sudo apt-get install libpq-dev -y
-      #     SKIP_DOCKER=true ./scripts/init_db.sh
-      # - name: Check sqlx-data.json is up-to-date
-      #   run: |
-      #     cargo sqlx prepare --workspace --check
+
+      - name: Install sqlx-cli
+        run:
+            cargo install sqlx-cli
+            --version=${{ env.SQLX_VERSION }}
+            --features ${{ env.SQLX_FEATURES }}
+            --no-default-features
+            --locked
+            # The --locked flag can be used to force Cargo to use the packaged Cargo.lock file if it is available. 
+            # This may be useful for ensuring reproducible builds, to use the exact same set of dependencies that were available when the package was published. 
+            # It may also be useful if a newer version of a dependency is published that no longer builds on your system, or has other problems
+
+      - name: Install postgresql-client
+        run: sudo apt-get update && sudo apt-get install postgresql-client -y
+
+      - name: Migrate database
+        run: SKIP_DOCKER=true ./scripts/init_db.sh
+
       - name: Run tests
         run: cargo test
 
   fmt:
     name: Rustfmt
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
       - uses: dtolnay/rust-toolchain@stable
         with:
+          # Specific to dtolnay/rust-toolchain: Comma-separated string of additional components to install
           components: rustfmt
       - name: Enforce formatting
         run: cargo fmt --check
 
   clippy:
     name: Clippy
     runs-on: ubuntu-latest
-    # services:
-    #   postgres:
-    #     image: postgres:14
-    #     env:
-    #       POSTGRES_USER: postgres
-    #       POSTGRES_PASSWORD: password
-    #       POSTGRES_DB: postgres
-    #     ports:
-    #       - 5432:5432
+    services:
+      postgres:
+        image: postgres:14
+        env:
+          POSTGRES_USER: postgres
+          POSTGRES_PASSWORD: password
+          POSTGRES_DB: postgres
+        ports:
+          - 5432:5432
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
       - uses: dtolnay/rust-toolchain@stable
         with:
           components: clippy
       - uses: Swatinem/rust-cache@v2
         with:
           key: sqlx-${{ env.SQLX_VERSION }}
-      # - name: Install sqlx-cli
-      #   run:
-      #     cargo install sqlx-cli
-      #       --version=${{ env.SQLX_VERSION }}
-      #       --features ${{ env.SQLX_FEATURES }}
-      #       --no-default-features
-      #       --locked
-      # - name: Migrate database
-      #   run: |
-      #     sudo apt-get install libpq-dev -y
-      #     SKIP_DOCKER=true ./scripts/init_db.sh
+      - name: Install sqlx-cli
+        run:
+          cargo install sqlx-cli
+            --version=${{ env.SQLX_VERSION }}
+            --features ${{ env.SQLX_FEATURES }}
+            --no-default-features
+            --locked
+      - name: Install postgresql-client
+        run: sudo apt-get update && sudo apt-get install postgresql-client -y
+      - name: Migrate database
+        run: SKIP_DOCKER=true ./scripts/init_db.sh
       - name: Linting
         run: cargo clippy -- -D warnings
 
   coverage:
     name: Code coverage
     runs-on: ubuntu-latest
-    # services:
-    #   postgres:
-    #     image: postgres:14
-    #     env:
-    #       POSTGRES_USER: postgres
-    #       POSTGRES_PASSWORD: password
-    #       POSTGRES_DB: postgres
-    #     ports:
-    #       - 5432:5432
-    #   redis:
-    #     image: redis:7
-    #     ports:
-    #       - 6379:6379
+    services:
+      postgres:
+        image: postgres:14
+        env:
+          POSTGRES_USER: postgres
+          POSTGRES_PASSWORD: password
+          POSTGRES_DB: postgres
+        ports:
+          - 5432:5432
     steps:
       - name: Checkout repository
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
       - uses: dtolnay/rust-toolchain@stable
-      # - name: Install libpq
-      #   run: sudo apt-get update && sudo apt-get install postgresql-client -y
-      # - uses: Swatinem/rust-cache@v2
-      #   with:
-      #     key: sqlx-${{ env.SQLX_VERSION }}
-      - name: Install tarpaulin
-        run: cargo install cargo-tarpaulin
-      # - name: Install sqlx-cli
-      #   run:
-      #     cargo install sqlx-cli
-      #     --version=${{ env.SQLX_VERSION }}
-      #     --features ${{ env.SQLX_FEATURES }}
-      #     --no-default-features
-      #     --locked
-      # - name: Migrate database
-      #   run: SKIP_DOCKER=true ./scripts/init_db.sh
+      - name: Install postgresql-client
+        run: sudo apt-get update && sudo apt-get install postgresql-client -y
+      - uses: Swatinem/rust-cache@v2
+        with:
+          key: sqlx-${{ env.SQLX_VERSION }}
+      - name: Install sqlx-cli
+        run:
+          cargo install sqlx-cli
+          --version=${{ env.SQLX_VERSION }}
+          --features ${{ env.SQLX_FEATURES }}
+          --no-default-features
+          --locked
+      - name: Migrate database
+        run: SKIP_DOCKER=true ./scripts/init_db.sh
       - name: Generate code coverage
-        run: cargo tarpaulin --verbose --workspace
+        run: cargo install cargo-tarpaulin && cargo tarpaulin --verbose --workspace