server {
    listen 80;
    listen [::]:80;
    
    server_name
        ${DOCKER_AE_API_SERVER_NAME}
        fastapi.localhost
        api.localhost
        ;

    # server_name
    #     fastapi_gunicorn.localhost
    #     dev-api.localhost
    #     dev-api.oneskyit.com
    #     test-api.oneskyit.com
    #     ;

    access_log  /logs/nginx/access_fastapi_gunicorn.log;
    error_log  /logs/nginx/error_fastapi_gunicorn.log;

    client_max_body_size ${OSIT_WEB_MAX_BODY_SIZE}; # 5120M; #4096M or 4G; 5120M or 5G;

    location / {
        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_redirect off;
        proxy_buffering off;

        # This is needed for long running Python code. Default is 60 seconds
        # Increased from 1200 to 1500 on 2022-04-17
        # Increased from 1500 to 2000 on 2023-03-15
        # Increased proxy read timeout to 2100 and decreased fastcgi options to 35s on 2023-03-16
        fastcgi_connect_timeout 4s;
        fastcgi_send_timeout 5s;
        fastcgi_read_timeout 5s;
        
        # proxy read timeout being too low will cause 504 Gateway Time-out on the client browser
        proxy_read_timeout 2100s;

        proxy_pass http://fastapi_backend;
    }
    
    location /ws {
        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_http_version 1.1;

        proxy_redirect off;
        proxy_buffering off;

        proxy_set_header Upgrade $http_upgrade;
        proxy_set_header Connection "upgrade";

        # proxy_read_timeout 600;
        # proxy_headers_hash_max_size 1024;

        proxy_pass http://fastapi_backend;
        
        access_log  /logs/nginx/access_fastapi_gunicorn_ws.log;
        error_log  /logs/nginx/error_fastapi_gunicorn_ws.log;
    }
}


server {
    listen 443 ssl;
    listen [::]:443 ssl;
    
    server_name
        ${DOCKER_AE_API_SERVER_NAME}
        fastapi.localhost
        api.localhost
        ;

    # server_name
    #     fastapi_gunicorn.localhost
    #     dev-api.localhost
    #     dev-api.oneskyit.com
    #     test-api.oneskyit.com
    #     ;

    access_log  /logs/nginx/access_fastapi_gunicorn.log;
    error_log  /logs/nginx/error_fastapi_gunicorn.log;

    include /etc/nginx/options-ssl-nginx.conf;

    ssl_certificate /etc/certs/fullchain.pem;
    ssl_certificate_key /etc/certs/privkey.pem;
    ssl_dhparam /etc/certs/ssl-dhparams.pem;

    # include brotli.conf;
    # include gzip.conf;

    client_max_body_size ${OSIT_WEB_MAX_BODY_SIZE}; # 5120M; #4096M or 4G; 5120M or 5G;

    location / {
        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_redirect off;
        proxy_buffering off;

        # This is needed for long running Python code. Default is 60 seconds
        # Increased from 1200 to 1500 on 2022-04-17
        # Increased from 1500 to 2000 on 2023-03-15
        # Increased proxy read timeout to 2100 and decreased fastcgi options to 35s on 2023-03-16
        fastcgi_connect_timeout 35s;
        fastcgi_send_timeout 35s;
        fastcgi_read_timeout 35s;
        
        # proxy read timeout being too low will cause 504 Gateway Time-out on the client browser
        proxy_read_timeout 2100s;

        proxy_pass http://fastapi_backend;
    }
    
    location /ws {
        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_http_version 1.1;

        proxy_redirect off;
        proxy_buffering off;

        proxy_set_header Upgrade $http_upgrade;
        proxy_set_header Connection "upgrade";

        # proxy_read_timeout 600;
        # proxy_headers_hash_max_size 1024;

        proxy_pass http://fastapi_backend;
        
        access_log  /logs/nginx/access_fastapi_gunicorn_ws.log;
        error_log  /logs/nginx/error_fastapi_gunicorn_ws.log;
    }
}


upstream fastapi_backend {
    # sticky sessions
    ip_hash;

    # enable least connections balancing method
    # least_conn;

    # zone backend 64k;  # Use NGINX Plus' shared memory

    # server webserver1 weight=1;
    # server webserver2 weight=4;

    # larger number will recieve more requests
    # Example of 20 vs 10: 20 will recieve twice as many requests as 10
    server aether_api_gunicorn:5005 weight=20 max_fails=3 fail_timeout=30s;
    # server aether_api_gunicorn_bak:5005 weight=10 max_fails=1 fail_timeout=30s;

    # maintain up to 20 idle connections to the group of upstream servers
    # keepalive 20;
}