Dockerfile

# Building the dist/ code
FROM node:18-alpine as builder
WORKDIR /app

COPY tsconfig.json ./
COPY package*.json ./

RUN npm install --include=dev

COPY src src

RUN npm run build

# Dependencies
FROM node:18-alpine as dependencies
WORKDIR /app

COPY package*.json ./

RUN npm ci --omit=dev

# Final step
FROM node:18-alpine
WORKDIR /app

LABEL org.opencontainers.image.title="Keep a Changelog Parser" \
    org.opencontainers.image.description="Parses a provided path to a Keep a Changelog file and returns the contents" \
    org.opencontainers.image.authors="Leon Rowland <leon@rowland.nl>" \
    org.opencontainers.image.url="https://github.com/zogot/kacl-parser"

USER node

COPY --from=builder --chown=node:node /app/dist /app/dist
COPY --from=dependencies --chown=node:node /app/node_modules /app/node_modules
COPY --from=dependencies --chown=node:node /app/package.json /app/package.json

ENTRYPOINT ["node", "/app/dist/main.js"]