CI/CD - build docker container

.github/workflows/docker.yaml

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+name: Build and Push Docker Image
+
+on:
+  push:
+    branches: [main]
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+
+    container:
+      image: quay.io/buildah/stable
+      options: --security-opt seccomp=unconfined --security-opt apparmor=unconfined --device /dev/fuse:rw --privileged
+
+    env:
+      BUILDAH_ISOLATION: chroot
+      STORAGE_DRIVER: vfs
+
+    steps:
+      - name: Install Node.js
+        run: dnf install -y nodejs git
+
+      - uses: actions/checkout@v4
+        with:
+          ssh-user: ${{ secrets.REGISTRY_USER }}
+          token: ${{ secrets.REGISTRY_PASSWORD }}
+          submodules: true
+
+      - name: Login to Registry
+        run: buildah login -u ${{ secrets.REGISTRY_USER }} -p ${{ secrets.REGISTRY_PASSWORD }} git.kocoder.xyz
+
+      - name: Generate Tag
+        id: tag
+        run: |
+          SHORT_SHA=$(echo "${{ github.sha }}" | cut -c1-7)
+          echo "value=${{ github.ref_name }}-$(date +%s)-${SHORT_SHA}" >> $GITHUB_OUTPUT
+
+      - name: Buildah Build
+        run: |
+          buildah build -t ${{ steps.tag.outputs.value }} .
+          buildah tag ${{ steps.tag.outputs.value }} latest
+
+      - name: Push Docker Images
+        run: |
+          buildah push ${{ steps.tag.outputs.value }} docker://git.kocoder.xyz/vt/link-shortening-service:${{ steps.tag.outputs.value }}
+          buildah push latest docker://git.kocoder.xyz/vt/link-shortening-service:latest

Dockerfile

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+FROM golang:1.26-bookworm AS base
+
+# Move to working directory /app
+WORKDIR /app
+
+# Copy the go.mod and go.sum files to the /app directory
+COPY go.mod go.sum ./
+
+# Install dependencies
+RUN go mod download
+
+# Copy the entire source code into the container
+COPY . .
+
+# Build the application
+RUN go build -o shortener
+
+FROM golang:1.26-bookworm AS runner
+
+COPY --from=base /app/shortener /app/shortener
+
+# Document the port that may need to be published
+EXPOSE 8000
+
+# Start the application
+CMD ["/app/shortener"]