Milestone 3

frontend/Dockerfile

@@ -0,0 +1,31 @@
+# syntax=docker/dockerfile:1.7
+
+# === Stage 1: build the SPA bundle ===
+FROM docker.io/library/node:20-alpine AS builder
+
+ARG VITE_API_BASE_URL=/api/v1
+ENV VITE_API_BASE_URL=${VITE_API_BASE_URL}
+
+WORKDIR /app
+COPY package.json ./
+# When a lockfile is committed (npm/pnpm/yarn), prefer `npm ci` for reproducibility.
+RUN if [ -f package-lock.json ]; then npm ci; else npm install --no-audit --no-fund; fi
+
+COPY tsconfig*.json vite.config.ts tailwind.config.ts postcss.config.js index.html ./
+COPY src ./src
+
+RUN npm run build
+
+# === Stage 2: serve via nginx ===
+FROM docker.io/library/nginx:1.27-alpine AS runtime
+
+# Drop the default config and use ours.
+RUN rm -f /etc/nginx/conf.d/default.conf
+COPY nginx.conf /etc/nginx/conf.d/metamorph.conf
+
+COPY --from=builder /app/dist /usr/share/nginx/html
+
+EXPOSE 80
+
+HEALTHCHECK --interval=30s --timeout=3s --start-period=5s --retries=3 \
+    CMD wget -qO- http://127.0.0.1/healthz || exit 1