feat: add Dockerfile

docker/Dockerfile

@@ -0,0 +1,45 @@
+# docker/Dockerfile                                                                                                                                                                         
+
+# ============ Build stage ============                                                                                                                                                     
+FROM node:20-alpine AS builder                                                                                                                                                              
+
+WORKDIR /app                                                                                                                                                                                
+
+# Install pnpm                                                                                                                                                                              
+RUN corepack enable && corepack prepare pnpm@latest --activate                                                                                                                              
+
+# Copy package files                                                                                                                                                                        
+COPY package.json pnpm-lock.yaml ./                                                                                                                                                         
+RUN pnpm install --frozen-lockfile                                                                                                                                                          
+
+# Copy source and build                                                                                                                                                                     
+COPY . .                                                                                                                                                                                    
+RUN pnpm prisma generate                                                                                                                                                                    
+RUN pnpm build                                                                                                                                                                              
+
+# ============ Production stage ============                                                                                                                                                
+FROM node:20-alpine AS runner                                                                                                                                                               
+
+WORKDIR /app                                                                                                                                                                                
+
+# Install pnpm                                                                                                                                                                              
+RUN corepack enable && corepack prepare pnpm@latest --activate                                                                                                                              
+
+# Create non-root user                                                                                                                                                                      
+RUN addgroup --system --gid 1001 nodejs                                                                                                                                                     
+RUN adduser --system --uid 1001 app                                                                                                                                                         
+
+# Copy built application                                                                                                                                                                    
+COPY --from=builder --chown=app:nodejs /app/.output ./.output                                                                                                                               
+COPY --from=builder --chown=app:nodejs /app/node_modules ./node_modules                                                                                                                     
+COPY --from=builder --chown=app:nodejs /app/package.json ./package.json                                                                                                                     
+COPY --from=builder --chown=app:nodejs /app/prisma ./prisma                                                                                                                                 
+
+USER app                                                                                                                                                                                    
+
+EXPOSE 3000                                                                                                                                                                                 
+
+ENV NODE_ENV=production                                                                                                                                                                     
+ENV PORT=3000                                                                                                                                                                               
+
+CMD ["node", ".output/server/index.mjs"]