fix: proxy web /api routes to api container

Dockerfile

@@ -15,6 +15,7 @@ RUN npm run build && npm run build:api
 
 FROM nginx:alpine AS web
 COPY --from=build /app/dist /usr/share/nginx/html
+COPY nginx.default.conf /etc/nginx/conf.d/default.conf
 
 FROM node:22-alpine AS runtime-base
 WORKDIR /app

README.md

@@ -100,7 +100,7 @@ Notes:
     - `APP_PORT`
     - `COOKIE_SECRET`
     - `GOOGLE_MAPS_SERVER_KEY`
-    - `VITE_API_BASE_URL`
+    - `VITE_API_BASE_URL` (use `/api` when web and API share a domain via the nginx proxy)
     - `VITE_GOOGLE_MAPS_PLATFORM_KEY`
 2. Create the shared Docker network if it does not exist:
    `docker network create locale-all || true`

nginx.default.conf

@@ -0,0 +1,20 @@
+server {
+  listen 80;
+  server_name _;
+
+  root /usr/share/nginx/html;
+  index index.html;
+
+  location /api/ {
+    proxy_pass http://api:4000;
+    proxy_http_version 1.1;
+    proxy_set_header Host $host;
+    proxy_set_header X-Real-IP $remote_addr;
+    proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
+    proxy_set_header X-Forwarded-Proto $scheme;
+  }
+
+  location / {
+    try_files $uri /index.html;
+  }
+}