ci: add workflow for publishing docker image

Signed-off-by: Gustav Grusell <[email protected]>

.github/workflows/publish-docker.yml

@@ -0,0 +1,40 @@
+name: Publish docker image
+
+on:
+  release:
+    types: [published]
+
+jobs:
+  push_to_registry:
+    name: Push Docker Image to Docker Hub
+    runs-on: ubuntu-latest
+
+    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: Log in to Docker Hub
+        uses: docker/login-action@v2
+        with:
+          username: ${{ secrets.HUB_DOCKER_USERNAME }}
+          password: ${{ secrets.HUB_DOCKER_PASSWORD }}
+
+      - name: Extract metadata (tags, labels) for Docker
+        id: meta
+        uses: docker/metadata-action@v4
+        with:
+          images: eyevinntechnology/encore-packager
+
+      - name: Build and push Docker image
+        uses: docker/build-push-action@v3
+        with:
+          context: .
+          push: true
+          tags: ${{ steps.meta.outputs.tags }}
+          labels: ${{ steps.meta.outputs.labels }}

package.json

@@ -1,6 +1,6 @@
 {
   "name": "@eyevinn/encore-packager",
-  "version": "1.0.0",
+  "version": "0.1.0",
   "description": "The default typescript-nodejs template for eyevinn projects",
   "bin": {
     "encore-packager": "./dist/cli.js"
@@ -13,7 +13,8 @@
     "pretty": "prettier --check --ignore-unknown .",
     "typecheck": "tsc --noEmit -p tsconfig.json",
     "dev": "nodemon",
-    "start": "ts-node -T src/cli.ts"
+    "start": "ts-node -T src/cli.ts",
+    "postversion": "git push && git push --tags"
   },
   "license": "MIT",
   "engines": {