add: automatic server deployment

2026-07-22 15:36:24 +08:00
1 parent f702aac28c
commit c3ff43e0b3
@@ -0,0 +1,74 @@
+name: Build & Push Server Image
+
+on:
+  workflow_dispatch:
+  push:
+    tags:
+      - "v*"
+    paths:
+      - "server-deploy/**"
+      - ".github/workflows/build-server-image.yml"
+
+env:
+  REGISTRY: ghcr.io
+  # Image published as ghcr.io/<owner>/<repo> (metadata-action lowercases it).
+  IMAGE_NAME: ${{ github.repository }}
+
+concurrency:
+  group: ${{ github.workflow }}-${{ github.ref }}
+  cancel-in-progress: true
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+    permissions:
+      contents: read
+      packages: write
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v4
+
+      # The Dockerfile reads MC/loader versions from pack.toml itself; here we only
+      # need the MC version to derive the image tag.
+      - name: Extract MC version
+        id: pack
+        run: |
+          mc=$(grep '^minecraft' server-deploy/pack/pack.toml | head -n1 | cut -d'"' -f2)
+          if [ -z "$mc" ]; then echo "::error::could not read minecraft version from pack.toml"; exit 1; fi
+          echo "mc=$mc" >> "$GITHUB_OUTPUT"
+          echo "Minecraft=$mc"
+
+      - name: Log in to GHCR
+        uses: docker/login-action@v3
+        with:
+          registry: ${{ env.REGISTRY }}
+          username: ${{ github.actor }}
+          password: ${{ secrets.GITHUB_TOKEN }}
+
+      - name: Docker metadata
+        id: meta
+        uses: docker/metadata-action@v5
+        with:
+          images: ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}
+          tags: |
+            type=raw,value=latest,enable={{is_default_branch}}
+            type=raw,value=mc-${{ steps.pack.outputs.mc }}
+            type=ref,event=branch
+            type=ref,event=tag
+            type=sha,format=short
+
+      - name: Set up Docker Buildx
+        uses: docker/setup-buildx-action@v3
+
+      - name: Build and push
+        uses: docker/build-push-action@v6
+        with:
+          context: server-deploy
+          file: server-deploy/Dockerfile
+          # mc-server-runner is downloaded as linux_amd64 in the Dockerfile.
+          platforms: linux/amd64
+          push: true
+          tags: ${{ steps.meta.outputs.tags }}
+          labels: ${{ steps.meta.outputs.labels }}
+          cache-from: type=gha
+          cache-to: type=gha,mode=max