Dockerfile

# use the official Bun image
FROM oven/bun:1 AS base
WORKDIR /usr/src/app

# install dependencies into temp directory
FROM base AS install
RUN mkdir -p /temp/dev
COPY package.json bun.lock /temp/dev/
RUN cd /temp/dev && bun install --frozen-lockfile

# install with --production (exclude devDependencies)
RUN mkdir -p /temp/prod
COPY package.json bun.lock /temp/prod/
RUN cd /temp/prod && bun install --frozen-lockfile --production

# copy node_modules from temp directory
FROM base AS prerelease
COPY --from=install /temp/dev/node_modules node_modules
COPY . .
RUN bun run build

# copy production dependencies and source code into final image
FROM base AS release
COPY --from=install /temp/prod/node_modules node_modules
COPY --from=prerelease /usr/src/app/dist ./dist
COPY --from=prerelease /usr/src/app/package.json .

# run the app
EXPOSE 4000/tcp

ENTRYPOINT [ "bun", "run", "./dist/cli/index.js" ]