Use GitHub actions

.drone.yml

@@ -1,38 +0,0 @@
-kind: pipeline
-name: default
-type: docker
-
-steps:
-  - name: build
-    image: docker:dind
-    volumes:
-      - name: dockersock
-        path: /var/run
-    environment:
-      DOCKER_PASSWORD:
-        from_secret: docker_password
-    commands:
-      - sleep 5 # give docker enough time to start
-      - echo $DOCKER_PASSWORD | docker login --username jlelse --password-stdin ghcr.io
-      - DOCKER_BUILDKIT=1 docker build -t temptest . --target test
-      - DOCKER_BUILDKIT=1 docker build -t ghcr.io/jlelse/goblog:latest . --target base
-      - DOCKER_BUILDKIT=1 docker build -t ghcr.io/jlelse/goblog:tools . --target tools
-      - docker push --all-tags ghcr.io/jlelse/goblog
-
-services:
-  - name: docker
-    image: docker:dind
-    privileged: true
-    volumes:
-      - name: dockersock
-        path: /var/run
-
-volumes:
-  - name: dockersock
-    temp: {}
-
-trigger:
-  branch:
-    - master
-  event:
-    - push

.github/workflows/build-docker-images.yml

@@ -0,0 +1,32 @@
+name: Build Docker images
+
+on:
+  push:
+    branches: [ master ]
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+    steps:
+    - name: Checkout
+      uses: actions/checkout@v2
+    - name: Set up Docker Buildx
+      uses: docker/setup-buildx-action@v1
+      with:
+        config-inline: |
+          [registry."docker.io"]
+            mirrors = ["mirror.gcr.io"]
+    - name: Login to GitHub container registry
+      uses: docker/login-action@v1
+      with:
+        registry: ghcr.io
+        username: ${{ github.actor }}
+        password: ${{ secrets.GITHUB_TOKEN }}
+    - name: Test
+      run: DOCKER_BUILDKIT=1 docker build -t temptest . --target test
+    - name: Build base image
+      run: DOCKER_BUILDKIT=1 docker build -t ghcr.io/jlelse/goblog:latest . --target base
+    - name: Build tools image
+      run: DOCKER_BUILDKIT=1 docker build -t ghcr.io/jlelse/goblog:tools . --target tools
+    - name: Push images
+      run: docker push --all-tags ghcr.io/jlelse/goblog