fase 3: Dockerfile multi-stage (node:22-alpine)

Build TS con devDeps y runtime solo con deps de produccion, USER node,
healthcheck por proceso (deuda: anadir /healthz), secretos siempre por
entorno/ficheros montados. Imagen verificada con docker build.
This commit is contained in:
vjrj 2026-07-14 11:39:31 +02:00
parent d1fc6798dc
commit 3596f7abed
2 changed files with 35 additions and 0 deletions

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node_modules
dist
test
docs
deploy
.env
.env.*
!.env.example
config.json
*.log
.git

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# tcef-notifications — imagen de producción (fase 3, Docker Compose).
# Multi-stage: build TS con devDeps, runtime solo con deps de producción.
# Secretos SIEMPRE por entorno/ficheros montados — nunca dentro de la imagen.
FROM node:22-alpine AS build
WORKDIR /app
COPY package.json package-lock.json ./
RUN npm ci
COPY tsconfig.json ./
COPY scripts ./scripts
COPY src ./src
RUN npm run build && npm prune --omit=dev
FROM node:22-alpine
ENV NODE_ENV=production
WORKDIR /app
COPY --from=build --chown=node:node /app/node_modules ./node_modules
COPY --from=build --chown=node:node /app/dist ./dist
COPY --chown=node:node package.json ./
USER node
# Deuda: el servicio no expone endpoint HTTP de salud; healthcheck por proceso.
HEALTHCHECK --interval=30s --timeout=5s --start-period=15s \
CMD pgrep -f "dist/index.js" > /dev/null || exit 1
CMD ["node", "--enable-source-maps", "dist/index.js"]