docker-composes angepasst

.env.example

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+# Rezepte Environment Example
+
+# --- Domain & Routing ---
+DOMAIN=example.com
+ACME_EMAIL=admin@example.com
+
+# --- Database ---
+MYSQL_PASSWORD=change_this_password
+MYSQL_ROOT_PASSWORD=change_this_root_password
+
+# --- Auth / Security ---
+JWT_SECRET=please_change_to_secure_32_char_min
+CORS_ORIGIN=https://rezepte.${DOMAIN}
+
+# --- Images from Registry (override if pushing to GHCR or custom registry) ---
+BACKEND_IMAGE=docker.citysensor.de/rezepte-backend:latest
+FRONTEND_IMAGE=docker.citysensor.de/rezepte-frontend:latest
+
+# --- Frontend API URL (if building locally outside compose) ---
+PRODUCTION_API_URL=https://rezepte.${DOMAIN}/api
+
+# --- Optional HOST_IP for local network override builds ---
+HOST_IP=192.168.1.100