Dockerfile

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

ARG BUILD_NUMBER
ARG GIT_REF
ARG GIT_BRANCH

ENV TZ=Europe/London
RUN ln -snf "/usr/share/zoneinfo/$TZ" /etc/localtime && echo "$TZ" > /etc/timezone

WORKDIR /app

# 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 .npmrc ./
RUN CYPRESS_INSTALL_BINARY=0 NPM_CONFIG_AUDIT=false NPM_CONFIG_FUND=false npm run setup

ENV NODE_ENV='production'

COPY . .
RUN --mount=type=secret,id=sentry SENTRY_AUTH_TOKEN=$(cat /run/secrets/sentry) \
    npm run build

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

# Stage: copy production assets and dependencies
FROM base

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

COPY --from=build --chown=appuser:appgroup /app/assets ./assets
COPY --from=build --chown=appuser:appgroup /app/dist ./dist
COPY --from=build --chown=appuser:appgroup \
        /app/node_modules ./node_modules
        
EXPOSE 3000 3001
ENV NODE_ENV='production'
USER 2000

CMD [ "npm", "start" ]