feat: dockerize backend, add to deployment workflow (#118)

closes #116

Author: bjornthiberg

.github/workflows/deploy_backend.yml

@@ -12,6 +12,8 @@ on:
 jobs:
   build:
     runs-on: ubuntu-latest
+    permissions:
+      packages: write
 
     steps:
     - name: Checkout repository
@@ -22,11 +24,6 @@ jobs:
       with:
         dotnet-version: 8.0.x
 
-    - name: Install EF Core tool
-      run: |
-          dotnet tool install --global dotnet-ef
-          dotnet tool restore
-
     - name: Restore dependencies
       run: dotnet restore
       working-directory: ./server
@@ -39,14 +36,23 @@ jobs:
       run: dotnet test
       working-directory: ./tests/serverTests
 
-    - name: Apply database migrations
-      run: dotnet ef database update
-      working-directory: ./server
-
     - name: Publish
       run: dotnet publish --configuration Release --output ./out
       working-directory: ./server
 
+    - name: Build Docker image
+      run: docker build -t ghcr.io/${{ github.repository_owner }}/frej_backend:latest ./server
+
+    - name: Login to GitHub Container Registry
+      uses: docker/login-action@v3
+      with:
+        registry: ghcr.io
+        username: ${{ github.actor }}
+        password: ${{ secrets.GITHUB_TOKEN }}
+
+    - name: Push Docker image
+      run: docker push ghcr.io/${{ github.repository_owner }}/frej_backend:latest
+
     - name: Prepare SSH Key
       run: |
         echo "${{ secrets.SSH_PRIVATE_KEY }}" > $HOME/private_key
@@ -59,39 +65,20 @@ jobs:
         ssh-keyscan -H ${{ secrets.SERVER_IP }} >> ~/.ssh/known_hosts
       shell: bash
 
-    - name: Create deployment directory on server
-      run: |
-        ssh -i $HOME/private_key ${{ secrets.SERVER_USER }}@${{ secrets.SERVER_IP }} 'mkdir -p /var/www/project_frej_temp'
-      shell: bash
-
-    - name: Copy files to server
-      run: |
-        scp -i $HOME/private_key -r ./server/out/* ${{ secrets.SERVER_USER }}@${{ secrets.SERVER_IP }}:/var/www/project_frej_temp
-      shell: bash
-
-    - name: Backup existing database
-      run: |
-        ssh -i $HOME/private_key ${{ secrets.SERVER_USER }}@${{ secrets.SERVER_IP }} 'cp /var/www/project_frej/sensor_data.db /var/www/project_frej_temp/sensor_data.db'
-      shell: bash
-
-    - name: Replace old backend with new version
-      run: |
-        ssh -i $HOME/private_key ${{ secrets.SERVER_USER }}@${{ secrets.SERVER_IP }} 'rm -rf /var/www/project_frej_old && mv /var/www/project_frej /var/www/project_frej_old && mv /var/www/project_frej_temp /var/www/project_frej'
-      shell: bash
-
-    - name: Restore previous appsettings.json
-      run: |
-        ssh -i $HOME/private_key ${{ secrets.SERVER_USER }}@${{ secrets.SERVER_IP }} 'cp /var/www/project_frej_old/appsettings.json /var/www/project_frej/appsettings.json'
-      shell: bash
-
-    - name: Give www-data ownership of directory
-      run: |
-        ssh -i $HOME/private_key ${{ secrets.SERVER_USER }}@${{ secrets.SERVER_IP }} 'chown -R www-data:www-data /var/www/project_frej && chmod -R 775 /var/www/project_frej'
-      shell: bash
-
-    - name: Restart backend service
+    - name: Deploy Docker Container on Server
       run: |
-        ssh -i $HOME/private_key ${{ secrets.SERVER_USER }}@${{ secrets.SERVER_IP }} 'sudo systemctl restart project_frej.service'
+        ssh -i $HOME/private_key ${{ secrets.SERVER_USER }}@${{ secrets.SERVER_IP }} << 'EOF'
+          set -e
+          mkdir -p /var/lib/project_frej
+          docker pull ghcr.io/${GITHUB_REPOSITORY_OWNER}/frej_backend:latest
+          cp /var/lib/project_frej/sensor_data.db /var/lib/project_frej_old/sensor_data.db || true
+          docker stop frej_backend || true
+          docker rm frej_backend || true
+          docker run -d --name frej_backend --restart always -p 5000:8080 \
+          -v /var/lib/project_frej/appsettings.json:/app/appsettings.json \
+          -v /var/lib/project_frej/sensor_data.db:/app/sensor_data.db \
+          ghcr.io/${GITHUB_REPOSITORY_OWNER}/frej_backend:latest
+        EOF
       shell: bash
 
     - name: Cleanup

server/Dockerfile

@@ -0,0 +1,19 @@
+FROM mcr.microsoft.com/dotnet/aspnet:8.0 AS base
+WORKDIR /app
+EXPOSE 5000
+
+FROM mcr.microsoft.com/dotnet/sdk:8.0 AS build
+WORKDIR /src
+COPY ["server.csproj", "."]
+RUN dotnet restore "server.csproj"
+COPY . .
+WORKDIR "/src"
+RUN dotnet build "server.csproj" -c Release -o /app/build
+
+FROM build AS publish
+RUN dotnet publish "server.csproj" -c Release -o /app/publish
+
+FROM base AS final
+WORKDIR /app
+COPY --from=publish /app/publish .
+ENTRYPOINT ["dotnet", "server.dll"]