# use the official Bun image
# see all versions at https://hub.docker.com/r/oven/bun/tags
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.lockb /temp/dev/
RUN cd /temp/dev && bun install --frozen-lockfile

# install with --production (exclude devDependencies)
RUN mkdir -p /temp/prod
COPY package.json bun.lockb /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 . .

# 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/ .
COPY --from=prerelease /usr/src/app/package.json .

# Set Environment Variables
ARG NODE_ENV=production
ENV NODE_ENV=$NODE_ENV
ENV ACCESS_TOKEN_SECRET=$ACCESS_TOKEN_SECRET
ENV REFRESH_TOKEN_SECRET=$REFRESH_TOKEN_SECRET
ENV JWT_EXPIRES=$JWT_EXPIRES
ENV MONGO_URI=$MONGO_URI
ENV SMTP_HOST=$SMTP_HOST
ENV SMTP_PORT=$SMTP_PORT
ENV SMTP_USER=$SMTP_USER
ENV SMTP_PASSWORD=$SMTP_PASSWORD
ENV FROM_EMAIL=$FROM_EMAIL
ENV FROM_NAME=$FROM_NAME
ENV SECURE=$SECURE

# run the app
USER bun
EXPOSE 5000/tcp
ENTRYPOINT [ "bun", "./bin/www.js" ]