add dockerfile

Author: sayansisodiya

.dockerignore

@@ -0,0 +1,8 @@
+node_modules
+.git
+dist
+.env
+coverage
+.vscode
+.DS_Store
+*.log

.env.example

@@ -14,4 +14,5 @@ PORT=5053
 DEBUG=false
 
 # Amp Configuration
+AMP_API_KEY=
 AMP_SERVER_URL=https://ampcode.com

Dockerfile

@@ -0,0 +1,35 @@
+# Build stage
+FROM node:20-alpine AS builder
+
+RUN corepack enable
+WORKDIR /app
+
+# Copy package files and install all dependencies
+COPY package.json pnpm-lock.yaml ./
+RUN pnpm install --frozen-lockfile
+
+# Copy source and build
+COPY . .
+RUN pnpm run build
+
+# Runtime stage
+FROM node:20-alpine
+
+RUN corepack enable
+WORKDIR /app
+
+ENV NODE_ENV=production \
+    PORT=5053 \
+    GITHUB_APP_CWD=/app
+
+# Copy package files and install production dependencies only
+COPY package.json pnpm-lock.yaml ./
+RUN pnpm install --prod --frozen-lockfile
+
+# Copy built application and config
+COPY --from=builder /app/dist ./dist
+COPY config.yml ./
+
+EXPOSE 5053
+
+CMD ["node", "dist/server.js"]

README.md

@@ -13,25 +13,56 @@ A GitHub App for automated code reviews using Hono.js and Amp.
 
 ## Quick Start
 
+### Local Development
+
 1. **Clone and Install**
    ```bash
    cd cra-github
    pnpm install
    ```
 
-2. **Environment Setup**
+2. **Build (required for MCP server)**
+   ```bash
+   pnpm run build
+   ```
+
+3. **Environment Setup**
    ```bash
    cp .env.example .env
    ```
 
-3. **Start Development Server**
+4. **Start Development Server**
    ```bash
    pnpm run dev
    ```
 
-4. **Install the App**
-   - Visit `{APP_BASE_URL}/github/install` (e.g., `https://your-ngrok-url.app/github/install`)
-   - Follow the GitHub App installation flow
+### Docker Setup
+
+1. **Create GitHub App**
+   - Go to GitHub Settings > Developer settings > GitHub Apps > New GitHub App
+   - Set webhook URL to placeholder (e.g., `https://example.com/webhook`)
+   - Download private key, note App ID and webhook secret
+
+2. **Configure Environment**
+   ```bash
+   cp .env.example .env
+   # Fill in GitHub App credentials from step 1
+   # For Docker, use GITHUB_APP_PRIVATE_KEY (base64) instead of file path:
+   # cat private-key.pem | base64 -w 0
+   ```
+
+3. **Start Container**
+   ```bash
+   docker compose up --build
+   # or with Podman: podman-compose up --build
+   ```
+
+4. **Update Webhook URL**
+   - For local dev: start ngrok (`ngrok http 5053`)
+   - Update GitHub App webhook URL to `https://your-url/github/webhook`
+
+5. **Install the App**
+   - Visit `http://localhost:5053/github/install`
    - Select repositories to enable code reviews
 
 ## Configuration

config.yml

@@ -31,7 +31,7 @@ amp:
         command: "sh"
         args:
           - "-c"
-          - "cd ${GITHUB_APP_CWD} && pnpm run mcp"
+          - "cd ${GITHUB_APP_CWD} && node dist/mcp/server.js 2>&1 | tee /tmp/mcp-server.log"
         env:
           GITHUB_APP_CWD: "${GITHUB_APP_CWD}"
           GITHUB_APP_ID: "${GITHUB_APP_ID}"

docker-compose.yml

@@ -0,0 +1,10 @@
+services:
+  cra:
+    build: .
+    env_file: .env
+    environment:
+      GITHUB_APP_CWD: /app  # Override .env value for container
+    ports:
+      - "5053:5053"
+    init: true
+    restart: unless-stopped

package.json

@@ -5,6 +5,7 @@
   "type": "module",
   "main": "dist/app.js",
   "scripts": {
+    "predev": "tsc",
     "dev": "tsx watch src/server.ts",
     "build": "tsc",
     "start": "node dist/server.js",