first commit

dockerfile

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+FROM node:20-slim AS builder
+
+RUN useradd -m appuser
+WORKDIR /app
+
+COPY package.json yarn.lock ./
+RUN yarn install --frozen-lockfile
+
+COPY . .
+
+RUN --mount=type=cache,target=/app/.next/cache yarn build
+
+FROM node:20-slim AS runner
+
+WORKDIR /app
+COPY --from=builder /app ./
+
+USER appuser
+EXPOSE 80
+
+CMD ["yarn", "start", "-p", "80", "-H", "0.0.0.0"]
+
+HEALTHCHECK --interval=30s --timeout=10s --start-period=5s --retries=3 \
+  CMD wget -q --spider http://localhost:80 || exit 1