nginx.conf

user nginx;
worker_processes auto;

error_log /var/log/nginx/error.log warn;
pid /var/run/nginx.pid;

events {
    worker_connections 1024;
}

http {
    server_tokens off;
    server {
        listen 4200;
        location / {
            #### Gzip Settings  ####
            gzip on;
            gzip_min_length 1100;
            gzip_vary on;
            gzip_proxied expired no-cache no-store private auth;
            gzip_types text/plain text/css application/json application/javascript application/x-javascript text/xml application/xml application/xml+rss text/javascript;
            gzip_comp_level 5;

            #### Serve Angular Application ####
            root /usr/share/nginx/html;
            try_files $uri $uri/ /index.html;
            proxy_http_version 1.1;
            proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
            proxy_set_header X-Forwarded-Proto $scheme;
            proxy_set_header X-Forwarded-Port $server_port;

            #### Security Headers ####
            add_header Cache-Control 'no-store, no-cache, must-revalidate, proxy-revalidate, max-age=0';
            add_header Cross-Origin-Embedder-Policy "require-corp";
            add_header Cross-Origin-Opener-Policy "same-origin-allow-popups";
            add_header Cross-Origin-Resource-Policy "same-origin";
            add_header Permissions-Policy "geolocation=(self), camera=(self), microphone=(self)";
            add_header Referrer-Policy "strict-origin-when-cross-origin";
            add_header Strict-Transport-Security "max-age=31536000; includeSubDomains; preload" ;
            add_header X-Content-Type-Options "nosniff";
            add_header X-Frame-Options "SAMEORIGIN";
            add_header X-XSS-Protection "1; mode=block";
            add_header Content-Security-Policy "frame-ancestors 'self';";
        }

    }
    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;
    sendfile on;
    keepalive_timeout 30m;
    include /etc/nginx/conf.d/*.conf;
}