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

server {
    listen 80;
    listen [::]:80;

    server_name
        ${DOCKER_AE_API_SERVER_NAME}
        ~^(dev|test|bak|sr|prod)?-?(api|fastapi)\.oneskyit\.com$
        api.localhost
        fastapi.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 / {
        # Based on recommendations here: https://www.uvicorn.org/deployment/#running-behind-nginx
        proxy_set_header Host $http_host;
        proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
        proxy_set_header X-Forwarded-Proto $scheme;
        proxy_set_header Upgrade $http_upgrade;
        proxy_set_header Connection $connection_upgrade;

        proxy_redirect off;
        proxy_buffering off;

        # I think "X-Real-IP" might be needed for some things?
        proxy_set_header X-Real-IP $remote_addr;

        # 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;
    }

    location /v3/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 2100s;

        proxy_pass http://fastapi_backend;

        access_log  /logs/nginx/access_fastapi_gunicorn_v3_ws.log;
        error_log  /logs/nginx/error_fastapi_gunicorn_v3_ws.log;
    }
}


# server {
#     listen 443 ssl;
#     listen [::]:443 ssl;
#     http2 on;
# 
#     server_name
#         ${DOCKER_AE_API_SERVER_NAME}
#         fastapi.localhost
#         api.localhost
#         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_wild.pem;
#     ssl_certificate_key /etc/certs/privkey_wild.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 / {
#         # Based on recommendations here: https://www.uvicorn.org/deployment/#running-behind-nginx
#         proxy_set_header Host $http_host;
#         proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
#         proxy_set_header X-Forwarded-Proto $scheme;
#         proxy_set_header Upgrade $http_upgrade;
#         proxy_set_header Connection $connection_upgrade;
# 
#         proxy_redirect off;
#         proxy_buffering off;
# 
#         # I think "X-Real-IP" might be needed for some things?
#         proxy_set_header X-Real-IP $remote_addr;
# 
#         # # 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;
#     }
# 
#     location /v3/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 2100s;
# 
#         proxy_pass http://fastapi_backend;
# 
#         access_log  /logs/nginx/access_fastapi_gunicorn_v3_ws.log;
#         error_log  /logs/nginx/error_fastapi_gunicorn_v3_ws.log;
#     }
# }


upstream fastapi_backend {
    least_conn;
    server ae_api:5005 weight=20 max_fails=1 fail_timeout=5s;
    keepalive 10;
}