check if has port, resolves #365

util/Setup/DockerComposeBuilder.cs

@@ -66,6 +66,7 @@ namespace Bit.Setup
             public bool MssqlDataDockerVolume { get; set; }
             public string HttpPort { get; set; }
             public string HttpsPort { get; set; }
+            public bool HasPort => !string.IsNullOrWhiteSpace(HttpPort) || !string.IsNullOrWhiteSpace(HttpsPort);
             public string CoreVersion { get; set; } = "latest";
             public string WebVersion { get; set; } = "latest";
         }

util/Setup/Templates/DockerCompose.hbs

@@ -120,12 +120,14 @@ services:
     image: bitwarden/nginx:{{{CoreVersion}}}
     container_name: bitwarden-nginx
     restart: always
+{{#if HasPort}}
     ports:
 {{#if HttpPort}}
       - '{{{HttpPort}}}:8080'
 {{/if}}
 {{#if HttpsPort}}
       - '{{{HttpsPort}}}:8443'
+{{/if}}
 {{/if}}
     volumes:
       - ../nginx:/etc/bitwarden/nginx