Use Docker GitHub Actions

.github/workflows/build.yml

@@ -49,10 +49,7 @@ jobs:
     - name: Vet
       run: make vet
   docker:
-    name: Docker
-    runs-on: ubuntu-latest
-    steps:
-    - name: Check out code into the Go module directory
-      uses: actions/checkout@v4
-    - name: Docker
-      run: make docker_build
+      name: Docker
+      needs: [build, test, vet]
+      uses: ./.github/workflows/docker.yaml
+      secrets: inherit

.github/workflows/docker.yaml

@@ -0,0 +1,43 @@
+name: Docker
+on:
+  workflow_call:
+  workflow_dispatch:
+jobs:
+  docker_build:
+    name: Build Docker image
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+      - name: Set up Docker Buildx
+        uses: docker/setup-buildx-action@v3
+      - name: Set up Docker QEMU
+        uses: docker/setup-qemu-action@v3
+        with:
+          platforms: amd64,arm64
+      - name: Login to ghcr.io
+        uses: docker/login-action@v3
+        with:
+          registry: ghcr.io
+          username: ${{ github.actor }}
+          password: ${{ secrets.GITHUB_TOKEN }}
+      - name: Docker meta
+        id: meta
+        uses: docker/metadata-action@v5
+        with:
+          images: |
+            ghcr.io/owenthereal/upterm/uptermd
+          tags: |
+            type=raw,value=latest,enable={{is_default_branch}}
+            type=sha,prefix=,suffix=,format=long
+      - name: Docker build and push
+        uses: docker/build-push-action@v5
+        with:
+          push: ${{ startsWith(github.ref, 'refs/tags/v') }}
+          pull: true
+          file: Dockerfile.uptermd
+          tags: ${{ steps.meta.outputs.tags }}
+          labels: ${{ steps.meta.outputs.labels }}
+          cache-from: |
+            type=gha
+          cache-to: |
+            type=gha,mode=max

.github/workflows/release.yaml

@@ -3,9 +3,14 @@ on:
   push:
     tags: 'v*'
 jobs:
-  release:
+  docker:
+    name: Docker
+    uses: ./.github/workflows/docker.yaml
+    secrets: inherit
+  gorelease:
     name: Upload releases
     runs-on: ubuntu-latest
+    needs: [docker]
     steps:
       - uses: actions/checkout@v4
       - name: Set up Go
@@ -20,16 +25,10 @@ jobs:
           args: release --rm-dist
         env:
           GITHUB_TOKEN: ${{ secrets.GH_TOKEN }}
-      - name: Docker push on master
-        run: |
-          # Build & publish on master
-          echo "${{ secrets.GH_TOKEN }}" | docker login ghcr.io -u USERNAME --password-stdin
-          TAG=${GITHUB_REF_NAME} make docker_push
-          TAG=latest make docker_push
   deploy:
     name: Deploy app
     runs-on: ubuntu-latest
-    needs: [release]
+    needs: [gorelease]
     steps:
       - uses: actions/checkout@v4
       - uses: superfly/flyctl-actions/setup-flyctl@master