WIP: Migrating from Drone to Gitea Actions

.gitea/workflows/docker-build.yml

@@ -0,0 +1,39 @@
+name: Docker Build
+
+on:
+  push:
+    branches:
+      - main
+    paths:
+      - 'Dockerfile'
+      - 'entrypoint.sh'
+
+jobs:
+  build:
+    name: Build Docker image
+    runs-on: ubuntu-latest
+
+    steps:
+      - name: Checkout code
+        uses: actions/checkout@v2
+
+      - name: Set up QEMU
+        uses: docker/setup-qemu-action@v1
+
+      - name: Set up Docker Buildx
+        uses: docker/setup-buildx-action@v1
+
+      - name: Login to Docker Hub
+        uses: docker/login-action@v1
+        with:
+          username: ${{secrets.DOCKER_USERNAME}}
+          password: ${{secrets.DOCKER_PASSWORD}}
+
+      - name: Build Docker image
+        run: |
+          docker buildx build \
+            --file Dockerfile \
+            --tag uzurka/graalvm:minideb \
+            --build-arg GRAALVERSION=20.0.2-graal \
+            --platform linux/amd64,linux/arm64 \
+            .