Added Dockerfile

Author: ma-mirzaei

Dockerfile

@@ -0,0 +1,30 @@
+# ---------- build stage ----------
+FROM node:20-alpine AS build
+WORKDIR /app
+
+COPY package*.json ./
+RUN npm ci --no-audit
+
+COPY . .
+# build the app
+RUN npm run build
+
+# normalize output dir to /app/out (supports Vite 'dist' or CRA 'build')
+RUN set -eux; \
+    if [ -d dist ]; then \
+      cp -r dist out; \
+    elif [ -d build ]; then \
+      cp -r build out; \
+    else \
+      echo "ERROR: No build output dir found (looked for 'dist' and 'build')."; \
+      echo "Listing /app after build:"; ls -la; \
+      exit 1; \
+    fi; \
+    ls -la out
+
+# ---------- runtime stage ----------
+FROM nginx:1.27-alpine
+# nginx config (we already created frontend/docker/nginx.conf earlier)
+COPY docker/nginx.conf /etc/nginx/nginx.conf
+# built static assets
+COPY --from=build /app/out /usr/share/nginx/html