Nginx with SSL self-signed certificate + Tomcat

nginx.conf

user www-data;
worker_processes 4;
pid /var/run/nginx.pid;

events {
    worker_connections 768;
    # multi_accept on;
}

http {

    ##
    # Basic Settings
    ##
    sendfile on;
    tcp_nopush on;
    tcp_nodelay on;
    keepalive_timeout 65;
    types_hash_max_size 2048;
    # server_tokens off;

    # server_names_hash_bucket_size 64;
    # server_name_in_redirect off;

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

    ##
    # Logging Settings
    ##
    access_log /var/log/nginx/access.log;
    error_log /var/log/nginx/error.log debug;

    ##
    # Gzip Settings
    ##
    gzip_min_length 1000;
    gzip_types text/css text/xml application/x-javascript application/atom+xml text/plain
    gzip on;
    gzip_disable "msie6";
    gzip_vary on;
    # gzip_proxied any;
    # gzip_comp_level 6;
    gzip_buffers 16 8k;
    gzip_http_version 1.1;

    ##
    # Set proxy cache path
    ##
    proxy_cache_path /usr/share/nginx/cache keys_zone=one:10m;

    ##
    # Main website Tomcat instance
    ##
    upstream main {
        server local.wimh.co:8080;
    }

    server {
        listen         80;
    	return 301 https://$host$request_uri;    #redirect to https    
    }       

    server {
        listen              443; #https
        server_name local.wimh.co;

        ##
        # SSL configuration
        ##
        ssl                 on;
        ssl_certificate     /srv/ssl/server.crt;
        ssl_certificate_key /srv/ssl/server.key;

        location / {
            # Proxy all the requests to Tomcat
            proxy_pass            http://main;
            proxy_redirect        off;
            proxy_set_header      Host $http_host;
            proxy_set_header      X-Real-IP $remote_addr;
            proxy_set_header      X-Forwarded-For $proxy_add_x_forwarded_for;
            proxy_cache           one;
            proxy_cache_min_uses  1;
            proxy_cache_valid     200 302 1m;
            proxy_cache_valid     404 1m;
            proxy_cache_use_stale error timeout invalid_header http_500 http_502 http_503 http_504;
            try_files $uri $uri/  @proxy;
        }
    
        location @proxy {
            proxy_pass http://main;
        }
    }

    ##
    # nginx-naxsi config
    ##
    # Uncomment it if you installed nginx-naxsi
    ##

    #include /etc/nginx/naxsi_core.rules;

    ##
    # nginx-passenger config
    ##
    # Uncomment it if you installed nginx-passenger
    ##
    
    #passenger_root /usr;
    #passenger_ruby /usr/bin/ruby;

    ##
    # Virtual Host Configs
    ##
    include /etc/nginx/conf.d/*.conf;
    include /etc/nginx/sites-enabled/*;
}


#mail {
#   # See sample authentication script at:
#   # http://wiki.nginx.org/ImapAuthenticateWithApachePhpScript
# 
#   # auth_http localhost/auth.php;
#   # pop3_capabilities "TOP" "USER";
#   # imap_capabilities "IMAP4rev1" "UIDPLUS";
# 
#   server {
#       listen     localhost:110;
#       protocol   pop3;
#       proxy      on;
#   }
# 
#   server {
#       listen     localhost:143;
#       protocol   imap;
#       proxy      on;
#   }
#}