docker deployment

maplibre-docker/Dockerfile.back

@@ -0,0 +1,13 @@
+FROM node:24-alpine AS build
+WORKDIR /app
+COPY test-backend/package*.json ./test-backend/
+RUN  npm --prefix test-backend install              # installs dev deps for build
+COPY . .
+RUN npm --prefix test-backend run build
+FROM node:24-alpine AS runtime
+WORKDIR /app
+COPY test-backend/package*.json ./
+RUN npm install --omit=dev    # only prod deps for runtime
+COPY --from=build /app/test-backend/dist ./dist
+EXPOSE 3001
+CMD ["npm", "start"]