nandi.uk
Gleam-inspired typed configuration language (POC)
1// Fuller example: nested records, variants, Option, List.
2
3type LogLevel {
4 Debug
5 Info
6 Warn
7 Error
8}
9
10type Database {
11 Database(
12 host: String,
13 port: Int,
14 name: String,
15 ssl: Bool,
16 password: Option(String),
17 )
18}
19
20type Server {
21 Server(
22 host: String,
23 port: Int,
24 workers: Int,
25 )
26}
27
28type Config {
29 Config(
30 name: String,
31 log_level: LogLevel,
32 server: Server,
33 database: Database,
34 cors_origins: List(String),
35 )
36}
37
38let database = Database(
39 host: "localhost",
40 port: 5432,
41 name: "myapp",
42 ssl: True,
43 password: None,
44)
45
46let server = Server(
47 host: "0.0.0.0",
48 port: 8080,
49 workers: 4,
50)
51
52pub let config = Config(
53 name: "my-service",
54 log_level: Info,
55 server: server,
56 database: database,
57 cors_origins: [
58 "https://example.com",
59 "http://localhost:3000",
60 ],
61)