Dockerfile

# base node image
FROM node:18-bullseye-slim as base

# install openssl and sqlite3 for prisma
RUN apt-get update && apt-get install -y openssl sqlite3

# install all node_modules, including dev
FROM base as deps

RUN mkdir /app/
WORKDIR /app/

ADD package.json package-lock.json ./
RUN npm install --legacy-peer-deps

# setup production node_modules
FROM base as production-deps

RUN mkdir /app/
WORKDIR /app/

COPY --from=deps /app/node_modules /app/node_modules
ADD package.json package-lock.json ./
RUN npm prune --omit=dev --legacy-peer-deps

# build app
FROM base as build

RUN mkdir /app/
WORKDIR /app/

COPY --from=deps /app/node_modules /app/node_modules

# schema doesn't change much so these will stay cached
ADD prisma /app/prisma

RUN npx prisma generate

# app code changes all the time
ADD . .
RUN npm run build

# build smaller image for running
FROM base

ENV DATABASE_URL="file:/data/data.db"
ENV PORT="8080"
ENV HOST="0.0.0.0"
ENV NODE_ENV="production"

RUN mkdir /app/
WORKDIR /app/

COPY --from=production-deps /app/node_modules /app/node_modules
COPY --from=build /app/node_modules/.prisma /app/node_modules/.prisma
COPY --from=build /app/build /app/build
COPY --from=build /app/public /app/public

ADD . .

CMD ["npm", "start"]