nginx.conf

worker_processes auto;

events {
  worker_connections 1024;
}

http {
  include /etc/nginx/mime.types;
  default_type application/octet-stream;

  log_format main '$remote_addr - $remote_user [$time_local] "$request" '
                  '$status $body_bytes_sent "$http_referer" '
                  '"$http_user_agent" "$http_x_forwarded_for"';

  access_log /var/log/nginx/access.log main;
  error_log /var/log/nginx/error.log;

  sendfile on;
  keepalive_timeout 65;
  server_tokens off;

  # SSL/TLS Configuration
  ssl_protocols TLSv1.2 TLSv1.3;
  ssl_prefer_server_ciphers on;
  ssl_session_timeout 10m;
  ssl_session_cache shared:SSL:10m;

  # HTTPS server block
  server {
    listen 443 ssl http2;
    server_name localhost;

    # SSL/TLS certificate and key paths
    ssl_certificate /etc/nginx/certificate.crt;
    ssl_certificate_key /etc/nginx/private.key;

    location /openehr {
      proxy_pass http://localhost:8081;
      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 /fhir {
      proxy_pass http://localhost:8091;
      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;
    }
  }

  # HTTP server block for redirecting to HTTPS
  server {
    listen 80;
    server_name localhost;

    location / {
      return 301 https://$host$request_uri;
    }
  }
}