Feat Docker Builder 🐳 (#5)

* Feat Docker Builder 🐳

- [+] chore: add .dockerignore file to ignore unnecessary files and directories
- [+] feat: add Dockerfile for building and running the application in a Docker container

* Feat CI/CD Docker Builder 🐳

- [+] feat(Docker.yml): add automated Docker build and push workflow

.dockerignore

@@ -0,0 +1,12 @@
+# Ignore all files and directories that are not necessary for building the Docker image.
+**/.git
+**/.vscode
+**/node_modules
+**/*.log
+*.md
+Dockerfile
+.dockerignore
+.gitignore
+**/testdata
+**/tests
+**/tmp

.github/workflows/Docker.yml

@@ -0,0 +1,46 @@
+name: Automated Docker Build and Push
+
+on:
+  push:
+    tags:
+      - 'v*'
+
+jobs:
+  build-and-push:
+    runs-on: ubuntu-latest
+    permissions:
+      packages: write
+      contents: read
+      actions: write # Permission to create releases
+
+    steps:
+    - name: Check Out Repo
+      uses: actions/checkout@v3
+
+    - name: Log in to GitHub Container Registry
+      uses: docker/login-action@v2
+      with:
+        registry: ghcr.io
+        username: ${{ github.actor }}
+        password: ${{ secrets.GITHUB_TOKEN }}
+
+    - name: Set up Docker Buildx
+      uses: docker/setup-buildx-action@v2
+
+    - name: Extract tag name
+      id: tag_name
+      run: echo "TAG_NAME=${GITHUB_REF#refs/tags/}" >> $GITHUB_ENV
+
+    - name: Build and Push Docker image
+      uses: docker/build-push-action@v3
+      with:
+        context: .
+        file: ./Dockerfile
+        push: true
+        tags: |
+          ghcr.io/h0llyw00dzz/gogenai-terminal-chat:${{ env.TAG_NAME }}
+          ghcr.io/h0llyw00dzz/gogenai-terminal-chat:latest
+
+    - name: Clean up Buildx builder
+      if: always()
+      run: docker buildx rm

Dockerfile

@@ -0,0 +1,36 @@
+# Start from the official Go image to build our application.
+FROM golang:1.21.5 as builder
+
+# Set the working directory inside the container.
+WORKDIR /app
+
+# Copy the go.mod and go.sum to download all dependencies.
+COPY go.mod ./
+COPY go.sum ./
+
+# Download all dependencies. Dependencies will be cached if the go.mod and go.sum files are not changed.
+RUN go mod download
+
+# Copy the source code from the current directory to the working directory inside the container.
+COPY cmd/ cmd/
+COPY terminal/ terminal/
+
+# Set the working directory to the cmd directory where the main.go file is located.
+WORKDIR /app/cmd
+
+# Build the application.
+RUN CGO_ENABLED=0 GOOS=linux go build -a -installsuffix cgo -o goaiterminal-chat
+
+# Start a new stage from scratch for a smaller image.
+FROM alpine:latest  
+
+# Install ca-certificates in case the application makes HTTPS requests.
+RUN apk --no-cache add ca-certificates
+
+WORKDIR /root/
+
+# Copy the pre-built binary file from the previous stage.
+COPY --from=builder /app/cmd/ .
+
+# Run the binary.
+ENTRYPOINT ["./goaiterminal-chat"]