#74, support ghcr.io using github actions

* add container package in github
* github action is used, which is triggered by tag
* tag version is vx.x.x, support pre-release

Signed-off-by: Larry Cai <[email protected]>

.github/workflows/docker-image.yml

@@ -0,0 +1,52 @@
+#
+name: Create and publish a Docker image
+
+# Configures this workflow to run every time a change is pushed to the tag called `v<semver>` like `v0.2.0`.
+on:
+  push:
+    tags:
+      - 'v*'
+
+# Defines two custom environment variables for the workflow. These are used for the Container registry domain, and a name for the Docker image that this workflow builds.
+env:
+  REGISTRY: ghcr.io
+  IMAGE_NAME: ${{ github.repository }}
+
+# There is a single job in this workflow. It's configured to run on the latest available version of Ubuntu.
+jobs:
+  build-and-push-image:
+    runs-on: ubuntu-latest
+    # Sets the permissions granted to the `GITHUB_TOKEN` for the actions in this job.
+    permissions:
+      contents: read
+      packages: write
+      # 
+    steps:
+      - name: Checkout repository
+        uses: actions/checkout@v4
+      # Uses the `docker/login-action` action to log in to the Container registry registry using the account and password that will publish the packages. Once published, the packages are scoped to the account defined here.
+      - name: Log in to the Container registry
+        uses: docker/login-action@v3
+        with:
+          registry: ${{ env.REGISTRY }}
+          username: ${{ github.actor }}
+          password: ${{ secrets.GITHUB_TOKEN }}
+      # This step uses [docker/metadata-action](https://github.com/docker/metadata-action#about) to extract tags and labels that will be applied to the specified image. The `id` "meta" allows the output of this step to be referenced in a subsequent step. The `images` value provides the base name for the tags and labels.
+      - name: Extract metadata (tags, labels) for Docker
+        id: meta
+        uses: docker/metadata-action@v5
+        with:
+          images: ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}
+          tags: |
+            type=semver,pattern={{version}}
+      # This step uses the `docker/build-push-action` action to build the image, based on your repository's `Dockerfile`. If the build succeeds, it pushes the image to GitHub Packages.
+      # It uses the `context` parameter to define the build's context as the set of files located in the specified path. For more information, see "[Usage](https://github.com/docker/build-push-action#usage)" in the README of the `docker/build-push-action` repository.
+      # It uses the `tags` and `labels` parameters to tag and label the image with the output from the "meta" step.
+      # tag will be semver + latest
+      - name: Build and push Docker image
+        uses: docker/build-push-action@v5
+        with:
+          context: .
+          push: true
+          tags: ${{ steps.meta.outputs.tags }}
+          labels: ${{ steps.meta.outputs.labels }}

README.md

@@ -82,15 +82,14 @@ After playing a hand, a link to an analysis page will appear on the home page. T
 
 ![image](ben_screenshot.png)
 
-#### Running the Web App using container (Mac & Linux)
+#### Running the Web App using container (Linux & Windows WSL2 ...)
 
-Since some tools rely on `.NET` environment, it could be tricky to setup them (using `mono`) in none-Windows environment correctly, recommend to use container env (like `docker`, `podman`) for it. 
+It could be tricky to setup them all correctly in your environment, container env (like `docker`, `podman`) is another choice. 
 
-Later we may provide autogenerated `ghcr.io/lorserker/ben` package, so far build it locally by yourself. It will execute the [start_ben_all.sh](start_ben_all.sh) to start above scripts automatically.
+`ghcr.io/lorserker/ben` [container package](https://github.com/lorserker/ben/pkgs/container/ben) is auto generated for each release. Inside it will execute the [start_ben_all.sh](start_ben_all.sh) to start above scripts automatically.
 
 ````
-$ podman build -t ben .
-$ podman run -it -p 8080:8080 -p 4443:4443 ben
+$ podman run --rm -it -p 8080:8080 -p 4443:4443 ghcr.io/lorserker/ben  # <CTRL-C> to stop
 Reading deals from: /app/src/gamedb
 Bottle v0.12.25 server starting up (using GeventServer())...
 Listening on http://0.0.0.0:8080/
@@ -101,7 +100,16 @@ models loaded
 Listening on port:  4443
 ````
 
-Open browser to access http://localhost:8080/home to play. And if you want to develop it locally, then map code repo into it, `-v $PWD:/app`
+Open browser to access http://localhost:8080 to play. 
+
+You can build it locally like below to test local changes. New Mac is ARM based (not x86), you need to build locally as well.
+
+````
+$ podman build -t ben .
+$ podman run --rm -it -p 8080:8080 -p 4443:4443 ben
+````
+
+If you want to debug in container env, then you need to map code repo into it, `-v $PWD:/app`.
 
 ### Tutorials