App configuration

[tur-nr]

Serva currently accepts 4 configuration values to create an App instance. These options should be able to be overwritten by flags, environment variables, config, and defaults (in that order).

interface ServaConfig {
  port: number;
  hostname?: string;
  extension: string;
  methods: string[];
}

1.Flags

$ serva start \
   --port 4500 \
   --hostname localhost \
   --extension ".ts" \
   --methods get,post,put,delete,patch

2. Environment

# Port
SERVA_PORT=4500

# Host (ordered in priority)
SERVA_HOSTNAME=localhost
SERVA_HOST=localhost

# Extension (ordered in priority)
SERVA_EXTENSION=".ts"
SERVA_EXT=".ts"

# Methods
SERVA_METHODS="get,post,put,delete,patch"

3. Config file

{
  "port": 4500,
  "hostname": "localhost",
  "extension": ".ts",
  "methods": [
    "get",
    "post",
    "put",
    "delete",
    "patch"
  ]
}

4. Defaults

const DEFAULT_CONFIG = {
  port: 4500,
  extension: ".ts",
  methods: [
    "get",
    "post",
    "put",
    "delete",
    "patch"
  ]
};