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s3-nodejs-api/Dockerfile

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+# syntax=docker/dockerfile:1
+
+# ARG NODE_VERSION=20-alpine
+
+# FROM node:${NODE_VERSION} AS base
+FROM oven/bun:latest AS base
+WORKDIR /app
+
+FROM base AS deps
+COPY package.json ./
+# Install only production dependencies for the runtime image
+RUN bun install --omit=dev
+
+FROM base AS build
+COPY package.json ./
+# Install all dependencies for building (includes devDeps like typescript)
+RUN bun install
+COPY tsconfig.json ./
+COPY src ./src
+RUN bun run build
+
+FROM base AS runner
+ENV NODE_ENV=production
+USER bun
+WORKDIR /app
+COPY --from=deps /app/node_modules ./node_modules
+COPY package.json ./
+COPY --from=build /app/dist ./dist
+EXPOSE 3000
+CMD ["bun", "dist/app.js"]