nginx.conf

events {}

http {
# HTTP Server Block
  server {
    listen 80;

    # Allow requests from any domain/IP address
    server_name _;

    client_max_body_size 1g; # allow uploads upto a maximum of 1GB. Note API allows body size of 1MB and multipart of 1GB for observations uploads
    client_body_timeout 300s; # Timeout for reading client request body (5 minutes  due to potential slow connections and large file size)
    #client_header_timeout 300s; # Timeout for reading client request header (5 minutes due to potential slow connections)

    #------------------------------------
    # # Enable this block when you want to use https
    # location / {
    #   return 301 https://$host$request_uri;
    # }

    #------------------------------------
    #Disable this block when you don't want to use http
    # Serve Angular (PWA) Requests
    location / {
      proxy_pass http://climsoft_pwa:80;
      proxy_set_header Host $host;
      proxy_set_header X-Real-IP $remote_addr;
      proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
      # Try Angular paths
      proxy_intercept_errors on;
      error_page 404 = @angular_fallback;
    }

    # Proxy API Requests to NestJS
    location /api/ {
      proxy_pass http://climsoft_api:3000/;
      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 Origin $http_origin;  # Forward the Origin header. TODO this is not forwarded to NestJS yet, so investigate why.

      # Large upload settings
      proxy_connect_timeout 300s; # just incase api server is overloaded and slow to accept new connections (especially when sending multiple large files to it)
      proxy_send_timeout 300s; # A 1GB file being streamed, it might take more than 60s to transmit
      proxy_read_timeout 300s; # API might take more than 60s to process a large file (e.g duckdb processing and saving to db )
      proxy_request_buffering off; # Switch off because for large uploads TO backend
      proxy_buffering off; # Stream directly from the API
    }

    location @angular_fallback {
      proxy_pass http://climsoft_pwa:80;
      rewrite ^ /index.html break;
    }
    #------------------------------------
  }

#------------------------------------
# Enable this block when you want to use https
# HTTPS Server Block
#   server {
#     listen 443 ssl;
#     server_name localhost;

#     # SSL Certificate Files
#     #ssl_certificate /etc/nginx/certs/fullchain.pem;
#     #ssl_certificate_key /etc/nginx/certs/privkey.pem;

#     # SSL Protocols and Ciphers
#     #ssl_protocols TLSv1.2 TLSv1.3;
#     #ssl_ciphers HIGH:!aNULL:!MD5;

#     # Serve Angular (PWA) Requests
#     location / {
#       proxy_pass http://climsoft_pwa:80;
#       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 API Requests to NestJS
#     location /api/ {
#       proxy_pass http://climsoft_api:3000/;
#       proxy_set_header Host $host;
#       proxy_set_header X-Real-IP $remote_addr;
#       proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
#     }
#   }
#------------------------------------
}