Add all-in-one minimal nginx config

Dockerfile

@@ -78,7 +78,7 @@ RUN chown -R codegate /var/lib/nginx && \
     chown -R codegate /var/log/nginx && \
     chown -R codegate /run
 
-COPY nginx.conf /etc/nginx/conf.d/default.conf
+COPY nginx.conf /etc/nginx/nginx.conf
 
 # Remove include /etc/nginx/sites-enabled/*; from the default nginx.conf
 # This way we don't introduce unnecessary configurations nor serve

nginx.conf

@@ -1,22 +1,68 @@
-server {
-  listen 9090;
+worker_processes 1;
+pid /run/nginx.pid;
+error_log /var/log/nginx/error.log;
+include /etc/nginx/modules-enabled/*.conf;
 
-  server_name localhost;
+events {
+	worker_connections 128;
+}
+
+http {
+
+	##
+	# Basic Settings
+	##
+
+	sendfile on;
+	tcp_nopush on;
+	types_hash_max_size 2048;
+
+	##
+	# Disable unnecessary features
+	##
+
+	server_tokens off;
+	autoindex off;
+
+	include /etc/nginx/mime.types;
+	default_type application/octet-stream;
+
+	##
+	# Logging Settings
+	##
+
+	access_log off;
+	error_log /var/log/nginx/error.log;
+
+	##
+	# Gzip Settings
+	##
+
+	gzip on;
+
+	server {
+		listen 9090;
+
+		server_name localhost;
 
-  root /var/www/html;
-  index index.html;
+		add_header X-Frame-Options SAMEORIGIN;
+		add_header X-Content-Type-Options nosniff;
+		add_header X-XSS-Protection "1; mode=block";
 
-  location / {
-    try_files $uri /index.html =404;
-  }
+		root /var/www/html;
+		index index.html;
 
-  # Serve certificates from /app/codegate_volume/certs at /certificates
-  location /certificates/codegate_ca.crt {
-      alias /app/codegate_volume/certs/ca.crt;
-      types { application/x-x509-ca-cert crt; }
-      default_type application/x-x509-ca-cert;
-  }
+		location / {
+			try_files $uri /index.html =404;
+			expires 1h; # Cache files for 1 hour
+			add_header Cache-Control "public, max-age=3600";
+		}
 
-  error_log /var/log/nginx/error.log;
-  access_log /var/log/nginx/access.log;
+		# Serve certificates from /app/codegate_volume/certs at /certificates
+		location /certificates/codegate_ca.crt {
+			alias /app/codegate_volume/certs/ca.crt;
+			types { application/x-x509-ca-cert crt; }
+			default_type application/x-x509-ca-cert;
+		}
+	}
 }