diff --git a/.env.example b/.env.example
index dc3f533..8b7655e 100644
--- a/.env.example
+++ b/.env.example
@@ -3,7 +3,10 @@ POSTGRES_USER=postgres
 POSTGRES_PASSWORD=postgres
 POSTGRES_DB=goldbank
 
-# Prisma connection string
+# Host port exposed for PostgreSQL (used by docker-compose db service)
+EXTERNAL_DB_PORT=5432
+
+# Prisma connection string (inside Docker network use hostname "db")
 DATABASE_URL=postgresql://${POSTGRES_USER}:${POSTGRES_PASSWORD}@db:5432/${POSTGRES_DB}?schema=public
 
 # API Configuration
diff --git a/docker-compose.yml b/docker-compose.yml
index cde84e5..e9adf37 100644
--- a/docker-compose.yml
+++ b/docker-compose.yml
@@ -9,7 +9,7 @@ services:
       POSTGRES_PASSWORD: ${POSTGRES_PASSWORD:-postgres}
       POSTGRES_DB: ${POSTGRES_DB:-goldbank}
     ports:
-      - "5432:5432"
+      - "${EXTERNAL_DB_PORT:-5432}:5432"
     volumes:
       - postgres_data:/var/lib/postgresql/data
     restart: unless-stopped
diff --git a/nginx-spa.conf b/nginx-spa.conf
index 6ad7ac2..5b46960 100644
--- a/nginx-spa.conf
+++ b/nginx-spa.conf
@@ -5,6 +5,15 @@ server {
     root /usr/share/nginx/html;
     index index.html;
 
+    location /api/ {
+        proxy_pass http://api:3000;
+        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 $uri/ /index.html;
     }