buildmymcpserver/apps/runner-template/Dockerfile

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FROM node:20-alpine AS deps
WORKDIR /app
COPY package.json ./
# --ignore-scripts: generated package.json carries LLM/user-chosen dependencies.
# Without this, a malicious dependency's postinstall lifecycle script would run
# at `docker build` time on the shared host. Specifiers are also validated to
# registry semver ranges at the API boundary (DependencyMap). (GEN-001)
RUN npm install --omit=dev --ignore-scripts --no-audit --no-fund && npm install --no-save --ignore-scripts tsx@4.19.2 typescript@5.7.2
FROM node:20-alpine AS runtime
WORKDIR /app
ENV NODE_ENV=production
COPY --from=deps /app/node_modules ./node_modules
COPY package.json tsconfig.json ./
COPY src ./src
EXPOSE 3000
# 127.0.0.1, not localhost: busybox wget resolves localhost to ::1 first and
# the server binds IPv4 only, so a localhost check would wrongly fail.
HEALTHCHECK --interval=15s --timeout=3s --start-period=10s --retries=3 \
CMD wget -qO- http://127.0.0.1:3000/health || exit 1
CMD ["npx", "tsx", "src/server.ts"]