CourseInsights / Dockerfile
Dockerfile
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# syntax=docker/dockerfile:1

ARG NODE_VERSION=23

FROM node:${NODE_VERSION}-alpine as base

WORKDIR /usr/src/app


################################################################################
# Create a stage for installing production dependecies.
FROM base as deps

RUN --mount=type=bind,source=package.json,target=package.json \
    --mount=type=bind,source=yarn.lock,target=yarn.lock \
    --mount=type=cache,target=/root/.yarn \
    yarn install --production --frozen-lockfile

################################################################################
# Create a stage for building the application.
FROM deps as build


RUN --mount=type=bind,source=package.json,target=package.json \
    --mount=type=bind,source=yarn.lock,target=yarn.lock \
    --mount=type=cache,target=/root/.yarn \
    yarn install --frozen-lockfile

COPY . .

RUN yarn run build

################################################################################
# Create a new stage to run the application with minimal runtime dependencies
# where the necessary files are copied from the build stage.
FROM base as final

ENV NODE_ENV production

RUN mkdir -p data && chown -R node:node data
USER node

COPY package.json .

COPY --from=deps /usr/src/app/node_modules ./node_modules
COPY --from=build /usr/src/app/dist/ ./dist/

EXPOSE 4321

CMD yarn start