creating a docker demo image

Author: gcclinux

.dockerignore

@@ -13,5 +13,9 @@ backend/dist
 frontend/dist
 database/
 *.db
-demo/
+!demo/database/demo.db
+demo/backend/node_modules
+demo/frontend/node_modules
+demo/backend/dist
+demo/frontend/dist
 docs/

.dockerignore-demo

@@ -0,0 +1,20 @@
+node_modules
+.git
+.gitignore
+*.test.*
+*.spec.*
+README.md
+!.env
+.env.*
+!.env.example
+demo/backend/node_modules
+demo/frontend/node_modules
+demo/backend/dist
+demo/frontend/dist
+backend/
+frontend/
+database/
+images/
+.github/
+*.md
+!demo/database/demo.db

.github/workflows/docker-demo.yml

@@ -0,0 +1,87 @@
+name: Docker Demo Build & Push
+
+on:
+  push:
+    tags:
+      - 'v*'
+      - '[0-9]+.[0-9]+.[0-9]+'
+
+env:
+  REGISTRY: ghcr.io
+  IMAGE_NAME: ${{ github.repository }}-demo
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+    permissions:
+      contents: write
+      packages: write
+
+    steps:
+      - name: Checkout repository
+        uses: actions/checkout@v4
+
+      - name: Set up Docker Buildx
+        uses: docker/setup-buildx-action@v3
+
+      - name: Log in to GHCR
+        if: github.event_name != 'pull_request'
+        uses: docker/login-action@v3
+        with:
+          registry: ${{ env.REGISTRY }}
+          username: ${{ github.actor }}
+          password: ${{ secrets.GITHUB_TOKEN }}
+
+      - name: Extract metadata (tags, labels)
+        id: meta
+        uses: docker/metadata-action@v5
+        with:
+          images: ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}
+          tags: |
+            type=ref,event=tag
+            type=semver,pattern={{version}}
+            type=semver,pattern={{major}}.{{minor}}
+            type=raw,value=latest,enable=${{ startsWith(github.ref, 'refs/tags/v') }}
+
+      - name: Build and push Docker demo image
+        uses: docker/build-push-action@v5
+        with:
+          context: .
+          file: ./Dockerfile-demo
+          push: ${{ github.event_name != 'pull_request' }}
+          tags: ${{ steps.meta.outputs.tags }}
+          labels: ${{ steps.meta.outputs.labels }}
+          cache-from: type=gha
+          cache-to: type=gha,mode=max
+
+      - name: Update GitHub Release with Demo Info
+        if: startsWith(github.ref, 'refs/tags/v')
+        uses: softprops/action-gh-release@v1
+        with:
+          append_body: true
+          body: |
+            
+            ## 🎮 Demo Docker Image
+            
+            Try the pre-configured demo with sample data:
+            
+            ```bash
+            # Pull the demo image
+            docker pull ghcr.io/gcclinux/easyscheduler-demo:latest
+            # or
+            docker pull ghcr.io/gcclinux/easyscheduler-demo:${{ github.ref_name }}
+            
+            # Run the demo container
+            docker run --name "easyscheduler-demo" -d -p 80:5001 ghcr.io/gcclinux/easyscheduler-demo:latest
+            ```
+            
+            **Demo Features:**
+            - 🔒 Read-only demo user (login: `demo`, password: `demo`)
+            - 👥 5 pre-seeded users
+            - 📅 8 sample appointments
+            - 🎨 Green theme
+            - 🚫 No database modifications allowed
+            
+            Access at: **http://localhost**
+        env:
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}

Dockerfile-demo

@@ -0,0 +1,53 @@
+# Stage 1: Build Frontend
+FROM node:20-alpine AS frontend-builder
+WORKDIR /app/frontend
+COPY demo/frontend/package.json demo/frontend/package-lock.json ./
+RUN npm ci
+COPY demo/frontend/ ./
+ENV VITE_API_BASE_URL=""
+RUN npm run build -- --outDir dist
+
+# Stage 2: Build Backend
+FROM node:20-alpine AS backend-builder
+WORKDIR /app/backend
+COPY demo/backend/package.json demo/backend/package-lock.json ./
+RUN npm ci
+COPY demo/backend/ ./
+RUN if [ ! -f src/config/license.ts ]; then cp src/config/license.example.ts src/config/license.ts; fi
+RUN npm run build
+
+# Stage 3: Production Runtime
+FROM node:20-alpine
+WORKDIR /app
+
+# Install build dependencies for native modules (sqlite3)
+RUN apk add --no-cache python3 make g++
+
+# Set environment variables
+ENV NODE_ENV=production
+ENV PORT=5001
+ENV FRONTEND_PATH=/app/frontend/dist
+ENV DB_PATH=/app/data/demo.db
+
+# Install production dependencies for backend
+COPY demo/backend/package.json demo/backend/package-lock.json ./
+RUN npm ci --only=production
+
+# Remove build dependencies to reduce image size
+RUN apk del python3 make g++
+
+# Copy built backend code
+COPY --from=backend-builder /app/backend/dist ./dist
+
+# Copy built frontend code
+COPY --from=frontend-builder /app/frontend/dist ./frontend/dist
+
+# Create data directory and copy demo database
+RUN mkdir -p /app/data
+COPY demo/database/demo.db /app/data/demo.db
+
+# Expose the port
+EXPOSE 5001
+
+# Start the server
+CMD ["node", "dist/server.js"]