# Minimal nginx configuration for AppFlowy-Cloud
# Self Hosted AppFlowy Cloud user should alter this file to suit their needs

events {
    worker_connections 1024;
}

http {
    # docker dns resolver
    resolver 127.0.0.11 valid=30s;

    map $http_upgrade $connection_upgrade {
       default upgrade;
       ''      close;
    }

    server {
        listen 8080;

        # https://github.com/nginxinc/nginx-prometheus-exporter
        location = /stub_status {
            stub_status;
        }
    }


    server {
        ssl_certificate /etc/nginx/ssl/certificate.crt;
        ssl_certificate_key /etc/nginx/ssl/private_key.key;

        listen 80;
        listen 443 ssl;
        client_max_body_size 10M;

        underscores_in_headers on;

        # GoTrue
        location /gotrue/ {
            set $backend "http://gotrue:9999";
            proxy_pass $backend;

            rewrite ^/gotrue(/.*)$ $1 break;

            # Allow headers like redirect_to to be handed over to the gotrue
            # for correct redirecting
            proxy_set_header Host $http_host;
            proxy_pass_request_headers on;
        }

        # WebSocket
        location /ws {
            set $backend "http://appflowy_cloud:8000";
            proxy_pass $backend;

            proxy_http_version 1.1;
            proxy_set_header Upgrade $http_upgrade;
            proxy_set_header Connection "Upgrade";
            proxy_set_header Host $host;
            proxy_read_timeout 86400;
        }

        # AppFlowy-Cloud
        location /api {
            set $backend "http://appflowy_cloud:8000";
            proxy_pass $backend;

            proxy_set_header X-Request-Id $request_id;
        }

        # Minio Web UI
        # Derive from: https://min.io/docs/minio/linux/integrations/setup-nginx-proxy-with-minio.html
        # Optional Module, comment this section if you are did not deploy minio in docker-compose.yml
        location /minio/ {
            rewrite ^/minio/(.*) /$1 break;
            proxy_set_header Host $http_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;
            proxy_set_header X-NginX-Proxy true;

            ## This is necessary to pass the correct IP to be hashed
            real_ip_header X-Real-IP;

            proxy_connect_timeout 300;

            ## To support websockets in MinIO versions released after January 2023
            proxy_http_version 1.1;
            proxy_set_header Upgrade $http_upgrade;
            proxy_set_header Connection "upgrade";
            # Some environments may encounter CORS errors (Kubernetes + Nginx Ingress)
            # Uncomment the following line to set the Origin request to an empty string
            # proxy_set_header Origin '';

            chunked_transfer_encoding off;

            set $backend "http://minio:9001";
            proxy_pass $backend;
        }

        # PgAdmin
        # Optional Module, comment this section if you are did not deploy pgadmin in docker-compose.yml
        location /pgadmin/ {
            set $backend "http://pgadmin:80/";
            proxy_pass $backend;

            proxy_set_header X-Script-Name /pgadmin;
            proxy_set_header X-Scheme $scheme;
            proxy_set_header Host $host;
            proxy_redirect off;
        }

        # Portainer
	# Optional Module, comment this section if you are did not deploy portainer in docker-compose.yml
        location /portainer/ {
            set $backend "http://portainer:9000/";
            proxy_pass $backend;
        }

        # Admin Frontend
	# Optional Module, comment this section if you are did not deploy admin_frontend in docker-compose.yml
        location / {
            proxy_set_header X-Scheme $scheme;
            proxy_set_header Host $host;

            set $backend "http://admin_frontend:3000";
            proxy_pass $backend;
        }
    }

}