Github action to build and upload the image to ghcr (#20)

* Add workflow to build and push container image
* Fix Dockerfile. Copy /app files from host to docker image
* Fix Dockerfile. rename in Dockerfile App.py to app.py
* Add Label into Dockerfile.

.github/workflows/container-image.yml

@@ -0,0 +1,31 @@
+name: Build and Push Container Image
+
+on:
+  push:
+    branches:
+      - main
+
+jobs:
+  build-and-push:
+    runs-on: ubuntu-latest
+
+    steps:
+    - name: Checkout code
+      uses: actions/checkout@v2
+
+    - name: Set up Docker Buildx
+      uses: docker/setup-buildx-action@v1
+
+    - name: Login to GitHub Container Registry
+      uses: docker/login-action@v1
+      with:
+        registry: ghcr.io
+        username: ${{ github.actor }}
+        password: ${{ secrets.GITHUB_TOKEN }}
+
+    - name: Build and push
+      uses: docker/build-push-action@v2
+      with:
+        context: .
+        push: true
+        tags: ghcr.io/${{ github.repository_owner }}/arxivchatguru:${{ github.ref == 'refs/heads/main' && 'latest' || 'canary' }}

Dockerfile

@@ -4,8 +4,11 @@ RUN apt-get update && apt-get install python-tk python3-tk tk-dev -y
 
 WORKDIR /app
 
-COPY ./app/requirements.txt .
+# Copy all files and subdirectories from ./app to /app in the image
+COPY ./app /app
 
 RUN pip install -r requirements.txt
 
-CMD ["streamlit", "run", "App.py", "--server.fileWatcherType", "none", "--browser.gatherUsageStats", "false","--server.enableXsrfProtection", "false", "--server.address", "0.0.0.0"]
+LABEL org.opencontainers.image.source https://github.com/RedisVentures/ArxivChatGuru
+
+CMD ["streamlit", "run", "app.py", "--server.fileWatcherType", "none", "--browser.gatherUsageStats", "false","--server.enableXsrfProtection", "false", "--server.address", "0.0.0.0"]