Dockerfile

# Stage: base image
FROM ghcr.io/ministryofjustice/hmpps-node:24-alpine AS base

ARG BUILD_NUMBER
ARG GIT_REF
ARG GIT_BRANCH

# Cache breaking and ensure required build / git args defined
RUN test -n "$BUILD_NUMBER" || (echo "BUILD_NUMBER not set" && false)
RUN test -n "$GIT_REF" || (echo "GIT_REF not set" && false)
RUN test -n "$GIT_BRANCH" || (echo "GIT_BRANCH not set" && false)

# Define env variables for runtime health / info
ENV BUILD_NUMBER=${BUILD_NUMBER}
ENV GIT_REF=${GIT_REF}
ENV GIT_BRANCH=${GIT_BRANCH}

# Stage: build assets
FROM base AS build

ARG BUILD_NUMBER
ARG GIT_REF
ARG GIT_BRANCH

COPY package*.json .allowed-scripts.mjs ./
RUN NPM_CONFIG_AUDIT=false NPM_CONFIG_FUND=false npm run setup
ENV NODE_ENV='production'

COPY . .
RUN npm run build

RUN npm prune --no-audit --no-fund --omit=dev

# Stage: copy production assets and dependencies
FROM base

COPY --from=build --chown=appuser:appgroup \
        /app/package.json \
        /app/package-lock.json \
        ./

COPY --from=build --chown=appuser:appgroup \
        /app/dist ./dist

COPY --from=build --chown=appuser:appgroup \
        /app/node_modules ./node_modules

EXPOSE 3000
ENV NODE_ENV='production'
USER 2000

CMD [ "npm", "start" ]