Dockerfile

FROM oven/bun:1 AS base
WORKDIR /usr/src/app

# install dependencies into temp directory
# this will cache them and speed up future builds
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
# then copy all (non-ignored) project files into the image
FROM base AS prerelease
COPY --from=install /temp/dev/node_modules node_modules
COPY . .

# these are needed purely for the app to build.
ARG MQTT_URL=mqtt:
ARG DATABASE_URL=file:
# build
ENV NODE_ENV=production
RUN bun run prepare
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/build ./build
COPY --from=prerelease /usr/src/app/package.json .

COPY --from=prerelease /usr/src/app/drizzle ./drizzle
COPY --from=prerelease /usr/src/app/drizzle.config.ts .

# run the app
EXPOSE 3000/tcp
ENV PROTOCOL_HEADER=x-forwarded-proto 
ENV HOST_HEADER=x-forwarded-host
CMD bun run db:migrate && echo "" && bun run build/index.js