chore: reorganize Docker build workflow and enhance build arguments for versioning

.github/workflows/build-docker.yml

@@ -20,19 +20,6 @@ jobs:
       - name: Checkout repository
         uses: actions/checkout@v4
 
-      - name: Set up QEMU
-        uses: docker/setup-qemu-action@v3
-
-      - name: Set up Docker Buildx
-        uses: docker/setup-buildx-action@v3
-
-      - name: Login to GitHub Container Registry
-        uses: docker/login-action@v3
-        with:
-          registry: ${{ env.REGISTRY }}
-          username: ${{ github.actor }}
-          password: ${{ secrets.GITHUB_TOKEN }}
-
       - name: Extract metadata for Docker
         id: meta
         uses: docker/metadata-action@v5
@@ -50,11 +37,36 @@ jobs:
             org.opencontainers.image.source=https://github.com/krau/SaveAny-Bot
             org.opencontainers.image.url=https://github.com/krau/SaveAny-Bot
 
+      - name: Set up QEMU
+        uses: docker/setup-qemu-action@v3
+
+      - name: Set up Docker Buildx
+        uses: docker/setup-buildx-action@v3
+
+      - name: Login to GitHub Container Registry
+        uses: docker/login-action@v3
+        with:
+          registry: ${{ env.REGISTRY }}
+          username: ${{ github.actor }}
+          password: ${{ secrets.GITHUB_TOKEN }}
+
+      - name: Extract version from Git Ref
+        id: extract_version
+        run: |
+          VERSION=$(echo "${{ github.ref }}" | sed 's/refs\/tags\/v//')
+          echo "VERSION=${VERSION}" >> $GITHUB_ENV
+
       - name: Build and push Docker image
         uses: docker/build-push-action@v6
         with:
           context: .
           platforms: linux/amd64,linux/arm64
+          cache-from: type=gha
+          cache-to: type=gha,mode=max
+          build-args: |
+            VERSION=${{ steps.meta.outputs.version }}
+            GitCommit=${{ github.sha }}
+            BuildTime=${{ format(github.event.repository.updated_at, 'yyyy-MM-dd HH:mm:ss') }}
           push: true
           tags: ${{ steps.meta.outputs.tags }}
           labels: ${{ steps.meta.outputs.labels }}

Dockerfile

@@ -1,10 +1,22 @@
 FROM golang:alpine AS builder
 
+ARG VERSION="dev"
+ARG GiTCommit="Unknown"
+ARG BuildTime="Unknown"
+
 WORKDIR /app
 
 COPY . .
 
-RUN CGO_ENABLED=0 GOOS=linux go build -ldflags="-s -w -X github.com/krau/SaveAny-Bot/common.Version=Docker" -o saveany-bot .
+RUN --mount=type=cache,target=/root/.cache/go-build \
+    --mount=type=cache,target=/go/pkg \
+    CGO_ENABLED=0 \ 
+    go build -trimpath \ 
+    -ldflags "-s -w \ 
+    -X github.com/krau/SaveAny-Bot/common.Version=${VERSION} \
+    -X github.com/krau/SaveAny-Bot/common.GitCommit=${GiTCommit} \
+    -X github.com/krau/SaveAny-Bot/common.BuildTime=${BuildTime}" \
+    -o saveany-bot .
 
 FROM alpine:latest