feat: add frontend Dockerfile and nginx config

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

imagecreator/frontend/Dockerfile

@@ -0,0 +1,14 @@
+FROM node:20-alpine as builder
+
+WORKDIR /app
+COPY package.json ./
+RUN npm install
+COPY . .
+RUN npm run build
+
+FROM nginx:alpine
+COPY --from=builder /app/dist /usr/share/nginx/html
+COPY nginx.conf /etc/nginx/conf.d/default.conf
+
+EXPOSE 80
+CMD ["nginx", "-g", "daemon off;"]

imagecreator/frontend/nginx.conf

@@ -0,0 +1,21 @@
+server {
+    listen 80;
+    server_name localhost;
+    root /usr/share/nginx/html;
+    index index.html;
+
+    location / {
+        try_files $uri $uri/ /index.html;
+    }
+
+    location /api/ {
+        proxy_pass http://backend:8000/api/;
+        proxy_set_header Host $host;
+        proxy_set_header X-Real-IP $remote_addr;
+    }
+
+    location /uploads/ {
+        proxy_pass http://backend:8000/uploads/;
+        proxy_set_header Host $host;
+    }
+}