Add initial version of docker build

.github/workflows/ci.yml

@@ -48,3 +48,31 @@ jobs:
         with:
           name: signal-cli-native
           path: build/native/nativeCompile/signal-cli
+
+  build-docker:
+
+    runs-on: ubuntu-latest
+    needs: build
+    steps:
+      -
+        name: Checkout
+        uses: actions/checkout@v3
+      -
+        name: Set up QEMU
+        uses: docker/setup-qemu-action@v2
+      -
+        name: Set up Docker Buildx
+        uses: docker/setup-buildx-action@v2
+      -
+        name: Login to Docker Hub
+        uses: docker/login-action@v2
+        with:
+          username: ${{ secrets.DOCKERHUB_USERNAME }}
+          password: ${{ secrets.DOCKERHUB_TOKEN }}
+      -
+        name: Build and push
+        uses: docker/build-push-action@v3
+        with:
+          context: .
+          push: true
+          tags: ${{ secrets.DOCKERHUB_USERNAME }}/signal-cli:latest

Dockerfile

@@ -0,0 +1,6 @@
+FROM eclipse-temurin:17
+
+ADD build/distributions/signal-*.tar /tmp
+RUN mv /tmp/signal-cli-* /opt/signal-cli
+
+ENTRYPOINT ["/opt/signal-cli/bin/signal-cli"]