# This reverse proxy configuration aims to make calls to different services running under different ports (Streamlit :8501 and FastAPI :8000) by calling only one port : the nginx one (:8080)
# The 8080 has to be opened (Dockerfile) and used by app.py (streamlit) in order to make right calls.
worker_processes 1;

events { worker_connections 1024; }

http {
    server {
        listen 8080;

        location /api/ {
            proxy_pass http://127.0.0.1:8000/;
            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 / {
            proxy_pass http://127.0.0.1:8501/;

            proxy_http_version 1.1;
            proxy_set_header Upgrade $http_upgrade;
            proxy_set_header Connection "upgrade";

            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 /health {
            return 200 'OK';
            add_header Content-Type text/plain;
        }

    }
}