Dockerfile.test

# use alpine for tests like prod
ARG BASE=node:16-alpine

# simplified prod build
# migrate, seed, build
#---------------------

FROM ${BASE} AS dependencies

RUN whoami && id

# openssl for prisma client, bash for jest-preview
RUN apk update && apk add --no-cache openssl libc6-compat bash

WORKDIR /app
ENV NODE_ENV development

# prepare only node_modules and prisma client
# src will be mounted via volume
# build at runtime, not here
COPY package.json yarn.lock ./
COPY prisma ./prisma

# dev dependencies for api integration testing
RUN yarn install
RUN npx prisma generate

RUN rm -rf prisma

ENV NODE_ENV test

# volumes folders must be created and chowned before docker-compose creates them as root
# create them during docker build
RUN mkdir -p .next dist
RUN chown node:node . node_modules .next dist
RUN chown -R node:node node_modules/.prisma

USER node

# on container
EXPOSE 3001
# env for app
ENV PORT 3001

# build app at runtime, not here
# api integration tests dont need built prod app, Jest runs code

# 1. migrate prod, 2. build app, 3. start prod
# default: just 1. migrate and shut down - for integration tests
# for e2e: 1, 2 and 3
CMD [ "yarn", "prisma:migrate:prod" ]