drogon/config.example.json

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/* This is a JSON format configuration file
*/
{
/*
//ssl:The global SSL settings. "key" and "cert" are the path to the SSL key and certificate. While
// "conf" is an array of 1 or 2-element tuples that supplies file style options for `SSL_CONF_cmd`.
"ssl": {
"cert": "../../trantor/trantor/tests/server.crt",
"key": "../../trantor/trantor/tests/server.key",
"conf": [
//["Options", "-SessionTicket"],
//["Options", "Compression"]
]
},
"listeners": [
{
//address: Ip address,0.0.0.0 by default
"address": "0.0.0.0",
//port: Port number
"port": 80,
//https: If true, use https for security,false by default
"https": false
},
{
"address": "0.0.0.0",
"port": 443,
"https": true,
//cert,key: Cert file path and key file path, empty by default,
//if empty, use the global setting
"cert": "",
"key": "",
//use_old_tls: enable the TLS1.0/1.1, false by default
"use_old_tls": false,
"ssl_conf": [
//["MinProtocol", "TLSv1.3"]
]
}
],
"db_clients": [
{
//name: Name of the client,'default' by default
"name": "default",
//rdbms: Server type, postgresql,mysql or sqlite3, "postgresql" by default
"rdbms": "postgresql",
//filename: Sqlite3 db file name
//"filename":"",
//host: Server address,localhost by default
"host": "127.0.0.1",
//port: Server port, 5432 by default
"port": 5432,
//dbname: Database name
"dbname": "test",
//user: 'postgres' by default
"user": "",
//passwd: '' by default
"passwd": "",
//is_fast: false by default, if it is true, the client is faster but user can't call
//any synchronous interface of it.
"is_fast": false,
//client_encoding: The character set used by the client. it is empty string by default which
//means use the default character set.
//"client_encoding": "",
//number_of_connections: 1 by default, if the 'is_fast' is true, the number is the number of
//connections per IO thread, otherwise it is the total number of all connections.
"number_of_connections": 1,
//timeout: -1.0 by default, in seconds, the timeout for executing a SQL query.
//zero or negative value means no timeout.
"timeout": -1.0,
//auto_batch: this feature is only available for the PostgreSQL driver(version >= 14.0), see
//the wiki for more details.
"auto_batch": false
//connect_options: extra options for the connection. Only works for PostgreSQL now.
//For more information, see https://www.postgresql.org/docs/16/libpq-connect.html#LIBPQ-CONNECT-OPTIONS
//"connect_options": { "statement_timeout": "1s" }
}
],
"redis_clients": [
{
//name: Name of the client,'default' by default
"name": "default",
//host: Server IP, 127.0.0.1 by default
"host": "127.0.0.1",
//port: Server port, 6379 by default
"port": 6379,
//username: '' by default which means 'default' in redis ACL
"username": "",
//passwd: '' by default
"passwd": "",
//db index: 0 by default
"db": 0,
//is_fast: false by default, if it is true, the client is faster but user can't call
//any synchronous interface of it.
"is_fast": false,
//number_of_connections: 1 by default, if the 'is_fast' is true, the number is the number of
//connections per IO thread, otherwise it is the total number of all connections.
"number_of_connections": 1,
//timeout: -1.0 by default, in seconds, the timeout for executing a command.
//zero or negative value means no timeout.
"timeout": -1.0
}
],*/
"app": {
//number_of_threads: The number of IO threads, 1 by default, if the value is set to 0, the number of threads
//is the number of CPU cores
"number_of_threads": 1,
//enable_session: False by default
"enable_session": true,
"session_timeout": 0,
//string value of SameSite attribute of the Set-Cookie HTTP response header
//valid value is either 'Null' (default), 'Lax', 'Strict' or 'None'
"session_same_site": "Null",
//session_cookie_key: The cookie key of the session, "JSESSIONID" by default
"session_cookie_key": "JSESSIONID",
//session_max_age: The max age of the session cookie, -1 by default
"session_max_age": -1,
//document_root: Root path of HTTP document, default path is ./
"document_root": "./",
//home_page: Set the HTML file of the home page, the default value is "index.html"
//If there isn't any handler registered to the path "/", the home page file in the "document_root" is send to clients as a response
//to the request for "/".
"home_page": "index.html",
//use_implicit_page: enable implicit pages if true, true by default
"use_implicit_page": true,
//implicit_page: Set the file which would the server access in a directory that a user accessed.
//For example, by default, http://localhost/a-directory resolves to http://localhost/a-directory/index.html.
"implicit_page": "index.html",
//static_file_headers: Headers for static files
/*"static_file_headers": [
{
"name": "field-name",
"value": "field-value"
}
],*/
//upload_path: The path to save the uploaded file. "uploads" by default.
//If the path isn't prefixed with /, ./ or ../,
//it is relative path of document_root path
"upload_path": "uploads",
/* file_types:
* HTTP download file types,The file types supported by drogon
* by default are "html", "js", "css", "xml", "xsl", "txt", "svg",
* "ttf", "otf", "woff2", "woff" , "eot", "png", "jpg", "jpeg",
* "gif", "bmp", "ico", "icns", etc. */
"file_types": [
"gif",
"png",
"jpg",
"js",
"css",
"html",
"ico",
"swf",
"xap",
"apk",
"cur",
"xml",
"webp",
"svg"
],
// mime: A dictionary that extends the internal MIME type support. Maps extensions into new MIME types
// note: This option only adds MIME to the sever. `file_types` above have to be set for the server to serve them.
"mime": {
// "text/markdown": "md",
// "text/gemini": ["gmi", "gemini"]
},
//locations: An array of locations of static files for GET requests.
"locations": [
{
//uri_prefix: The URI prefix of the location prefixed with "/", the default value is "" that disables the location.
//"uri_prefix": "/.well-known/acme-challenge/",
//default_content_type: The default content type of the static files without
//an extension. empty string by default.
"default_content_type": "text/plain",
//alias: The location in file system, if it is prefixed with "/", it
//presents an absolute path, otherwise it presents a relative path to
//the document_root path.
//The default value is "" which means use the document root path as the location base path.
"alias": "",
//is_case_sensitive: indicates whether the URI prefix is case sensitive.
"is_case_sensitive": false,
//allow_all: true by default. If it is set to false, only static files with a valid extension can be accessed.
"allow_all": true,
//is_recursive: true by default. If it is set to false, files in sub directories can't be accessed.
"is_recursive": true,
//filters: string array, the filters applied to the location.
"filters": []
}
],
//max_connections: maximum number of connections, 100000 by default
"max_connections": 100000,
//max_connections_per_ip: maximum number of connections per client, 0 by default which means no limit
"max_connections_per_ip": 0,
//Load_dynamic_views: False by default, when set to true, drogon
//compiles and loads dynamically "CSP View Files" in directories defined
//by "dynamic_views_path"
"load_dynamic_views": false,
//dynamic_views_path: If the path isn't prefixed with /, ./ or ../,
//it is relative path of document_root path
"dynamic_views_path": [
"./views"
],
//dynamic_views_output_path: Default by an empty string which means the output path of source
//files is the path where the csp files locate. If the path isn't prefixed with /, it is relative
//path of the current working directory.
"dynamic_views_output_path": "",
//json_parser_stack_limit: 1000 by default, the maximum number of stack depth when reading a json string by the jsoncpp library.
"json_parser_stack_limit": 1000,
//enable_unicode_escaping_in_json: true by default, enable unicode escaping in json.
"enable_unicode_escaping_in_json": true,
//float_precision_in_json: set precision of float number in json.
"float_precision_in_json": {
//precision: 0 by default, 0 means use the default precision of the jsoncpp lib.
"precision": 0,
//precision_type: must be "significant" or "decimal", defaults to "significant" that means
//setting max number of significant digits in string, "decimal" means setting max number of
//digits after "." in string
"precision_type": "significant"
},
//log: Set log output, drogon output logs to stdout by default
"log": {
//use_spdlog: Use spdlog library to log
"use_spdlog": false,
//log_path: Log file path,empty by default,in which case,logs are output to the stdout
//"log_path": "./",
//logfile_base_name: Log file base name,empty by default which means drogon names logfile as
//drogon.log ...
"logfile_base_name": "",
//log_size_limit: 100000000 bytes by default,
//When the log file size reaches "log_size_limit", the log file is switched.
"log_size_limit": 100000000,
//max_files: 0 by default,
//When the number of old log files exceeds "max_files", the oldest file will be deleted. 0 means never delete.
"max_files": 0,
//log_level: "DEBUG" by default,options:"TRACE","DEBUG","INFO","WARN"
//The TRACE level is only valid when built in DEBUG mode.
"log_level": "DEBUG",
//display_local_time: false by default, if true, the log time is displayed in local time
"display_local_time": false
},
//run_as_daemon: False by default
"run_as_daemon": false,
//handle_sig_term: True by default
"handle_sig_term": true,
//relaunch_on_error: False by default, if true, the program will be restart by the parent after exiting;
"relaunch_on_error": false,
//use_sendfile: True by default, if true, the program
//uses sendfile() system-call to send static files to clients;
"use_sendfile": true,
//use_gzip: True by default, use gzip to compress the response body's content;
"use_gzip": true,
//use_brotli: False by default, use brotli to compress the response body's content;
"use_brotli": false,
//static_files_cache_time: 5 (seconds) by default, the time in which the static file response is cached,
//0 means cache forever, the negative value means no cache
"static_files_cache_time": 5,
//simple_controllers_map: Used to configure mapping from path to simple controller
//"simple_controllers_map": [
// {
// "path": "/path/name",
// "controller": "controllerClassName",
// "http_methods": [
// "get",
// "post"
// ],
// "filters": [
// "FilterClassName"
// ]
// }
//],
//idle_connection_timeout: Defaults to 60 seconds, the lifetime
//of the connection without read or write
"idle_connection_timeout": 60,
//server_header_field: Set the 'Server' header field in each response sent by drogon,
//empty string by default with which the 'Server' header field is set to "Server: drogon/version string\r\n"
"server_header_field": "",
//enable_server_header: Set true to force drogon to add a 'Server' header to each HTTP response. The default
//value is true.
"enable_server_header": true,
//enable_date_header: Set true to force drogon to add a 'Date' header to each HTTP response. The default
//value is true.
"enable_date_header": true,
//keepalive_requests: Set the maximum number of requests that can be served through one keep-alive connection.
//After the maximum number of requests are made, the connection is closed.
//The default value of 0 means no limit.
"keepalive_requests": 0,
//pipelining_requests: Set the maximum number of unhandled requests that can be cached in pipelining buffer.
//After the maximum number of requests are made, the connection is closed.
//The default value of 0 means no limit.
"pipelining_requests": 0,
//gzip_static: If it is set to true, when the client requests a static file, drogon first finds the compressed
//file with the extension ".gz" in the same path and send the compressed file to the client.
//The default value of gzip_static is true.
"gzip_static": true,
//br_static: If it is set to true, when the client requests a static file, drogon first finds the compressed
//file with the extension ".br" in the same path and send the compressed file to the client.
//The default value of br_static is true.
"br_static": true,
//client_max_body_size: Set the maximum body size of HTTP requests received by drogon. The default value is "1M".
//One can set it to "1024", "1k", "10M", "1G", etc. Setting it to "" means no limit.
"client_max_body_size": "1M",
//max_memory_body_size: Set the maximum body size in memory of HTTP requests received by drogon. The default value is "64K" bytes.
//If the body size of a HTTP request exceeds this limit, the body is stored to a temporary file for processing.
//Setting it to "" means no limit.
"client_max_memory_body_size": "64K",
//client_max_websocket_message_size: Set the maximum size of messages sent by WebSocket client. The default value is "128K".
//One can set it to "1024", "1k", "10M", "1G", etc. Setting it to "" means no limit.
"client_max_websocket_message_size": "128K",
//reuse_port: Defaults to false, users can run multiple processes listening on the same port at the same time.
"reuse_port": false,
// enabled_compressed_request: Defaults to false. If true the server will automatically decompress compressed request bodies.
// Currently only gzip and br are supported. Note: max_memory_body_size and max_body_size applies twice for compressed requests.
// Once when receiving and once when decompressing. i.e. if the decompressed body is larger than max_body_size, the request
// will be rejected.
"enabled_compressed_request": false,
// enable_request_stream: Defaults to false. If true the server will enable stream mode for http requests.
// See the wiki for more details.
"enable_request_stream": false,
},
//plugins: Define all plugins running in the application
"plugins": [
{
//name: The class name of the plugin
"name": "drogon::plugin::PromExporter",
//dependencies: Plugins that the plugin depends on. It can be commented out
"dependencies": [],
//config: The configuration of the plugin. This json object is the parameter to initialize the plugin.
//It can be commented out
"config": {
"path": "/metrics"
}
},
{
"name": "drogon::plugin::AccessLogger",
"dependencies": [],
"config": {
"use_spdlog": false,
"log_path": "",
"log_format": "",
"log_file": "access.log",
"log_size_limit": 0,
"use_local_time": true,
"log_index": 0,
// "show_microseconds": true,
// "custom_time_format": "",
// "use_real_ip": false
}
}
],
//custom_config: custom configuration for users. This object can be get by the app().getCustomConfig() method.
"custom_config": {
"realm": "drogonRealm",
"opaque": "drogonOpaque",
"credentials": [
{
"user": "drogon",
"password": "dr0g0n"
}
]
}
}