update docker implementation

Author: ericc-ch

.dockerignore

@@ -0,0 +1,14 @@
+node_modules
+bun.lock
+
+.vscode/
+
+.git/
+.github/
+.gitignore
+
+dist/
+tests/
+*.md
+
+.eslintcache

Dockerfile

@@ -1,4 +1,4 @@
-FROM oven/bun:alpine AS builder
+FROM oven/bun:1.2.19-alpine AS builder
 WORKDIR /app
 
 COPY ./package.json ./bun.lock ./
@@ -7,7 +7,7 @@ RUN bun install --frozen-lockfile
 COPY . .
 RUN bun run build
 
-FROM oven/bun:alpine AS runner
+FROM oven/bun:1.2.19-alpine AS runner
 WORKDIR /app
 
 COPY ./package.json ./bun.lock ./
@@ -17,7 +17,11 @@ COPY --from=builder /app/dist ./dist
 
 EXPOSE 4141
 
+HEALTHCHECK --interval=30s --timeout=5s --start-period=10s --retries=3 \
+  CMD wget --spider -q http://localhost:4141/ || exit 1
+
 ARG GH_TOKEN
 ENV GH_TOKEN=$GH_TOKEN
 
-CMD bun run dist/main.js start -g $GH_TOKEN
+ENTRYPOINT ["bun", "run", "dist/main.js"]
+CMD ["start", "-g", "$GH_TOKEN"]

README.md

@@ -57,6 +57,41 @@ Run the container
 docker run -p 4141:4141 copilot-api
 ```
 
+### Docker with Environment Variables
+
+You can pass the GitHub token directly to the container using environment variables:
+
+```sh
+# Build with GitHub token
+docker build --build-arg GH_TOKEN=your_github_token_here -t copilot-api .
+
+# Run with GitHub token
+docker run -p 4141:4141 -e GH_TOKEN=your_github_token_here copilot-api
+
+# Run with additional options
+docker run -p 4141:4141 -e GH_TOKEN=your_token copilot-api start --verbose --port 4141
+```
+
+### Docker Compose Example
+
+```yaml
+version: '3.8'
+services:
+  copilot-api:
+    build: .
+    ports:
+      - "4141:4141"
+    environment:
+      - GH_TOKEN=your_github_token_here
+    restart: unless-stopped
+```
+
+The Docker image includes:
+- Multi-stage build for optimized image size
+- Non-root user for enhanced security
+- Health check for container monitoring
+- Pinned base image version for reproducible builds
+
 ## Using with npx
 
 You can run the project directly using npx: