commit inicial

Dockerfile

@@ -0,0 +1,40 @@
+# syntax=docker/dockerfile:1
+
+# ---------- Build stage ----------
+FROM node:20-alpine AS builder
+
+WORKDIR /app
+
+# Install dependencies (cache layer)
+COPY package.json .
+COPY yarn.lock .
+RUN yarn install --frozen-lockfile --production=false
+
+# Copy source code
+COPY . .
+
+# Prune dev dependencies for production image
+RUN yarn install --frozen-lockfile --production && \
+    rm -rf **/*.test.js
+
+# ---------- Runtime stage ----------
+FROM node:20-alpine AS runtime
+
+RUN addgroup -S appgroup && adduser -S appuser -G appgroup
+
+WORKDIR /app
+
+COPY --from=builder /app/package.json .
+COPY --from=builder /app/node_modules ./node_modules
+COPY --from=builder /app/src ./src
+
+ENV NODE_ENV=production
+
+USER appuser
+
+EXPOSE 3000
+
+HEALTHCHECK --interval=30s --timeout=5s --start-period=5s \
+  CMD node -e "require('http').get('http://localhost:3000/health', () => process.exit(0)).on('error', () => process.exit(1))"
+
+CMD ["node", "src/index.js"]