# This is making minimal changes from the guide at
# https://bun.sh/guides/ecosystem/docker (as of 2024-02-04)

# use the official Bun image
# see all versions at https://hub.docker.com/r/oven/bun/tags
FROM oven/bun:1-alpine as base
WORKDIR /app

# install dependencies into temp directory
# this will cache them and speed up future builds
FROM base as install
RUN mkdir -p /tmp/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
# ^ Is this necessary? Don't we either need prod or not prod?

# 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 . .

FROM nginx:stable-alpine as release

COPY --from=build-stage /app/docker/nginx.conf /etc/nginx/nginx.conf
COPY --from=build-stage /app/dist /usr/share/nginx/html