Create GitHub Actions workflow

Author: steevanb

.github/workflows/build-docker-image-release.yml

@@ -0,0 +1,13 @@
+name: Build Docker image release
+
+on:
+    workflow_dispatch: ~
+
+jobs:
+    build:
+        name: Build Docker image release
+        runs-on: ubuntu-latest
+        steps:
+            - uses: actions/checkout@v2
+            - run: echo "${{ secrets.DOCKER_HUB_TOKEN }}" | docker login --username steevanb --password-stdin
+            - run: bin/release/docker --push

bin/release/docker

@@ -7,4 +7,4 @@ source "${ROOT_DIR}"/bin/common.inc.bash
 
 DOCKER_IMAGE_NAME="${RELEASE_DOCKER_IMAGE_NAME}" \
     DOCKER_FILE_PATH="${ROOT_DIR}"/docker/release/Dockerfile \
-    source "${ROOT_DIR}"/bin/docker-build.inc.bash
+        source "${ROOT_DIR}"/bin/docker-build.inc.bash