chore(backend): move part of the config values into environment varia…

…bles as default

config_example.toml

@@ -1,17 +1,5 @@
-[webserver]
-host = "0.0.0.0"
-port = 8080
-url = "http://localhost"
-
-[redis]
-url = "redis://redis:6379/0"
-
 [watcher]
 interval = 30
 watchlist = [
     { id = "serv", name = "Local dev", kind = "url", target = "http://localhost:8080/" }
 ]
-
-[log]
-level = "info"
-path = "/var/log/status-page.log"

docker-compose.yml

@@ -7,6 +7,13 @@ services:
       - backend
   app:
     image: ghcr.io/data5tream/simple-status-page:latest
+    environment:
+      - APP_WEBSERVER_HOST="0.0.0.0"
+      - APP_WEBSERVER_PORT="8080"
+      - APP_WEBSERVER_URL="http://localhost"
+      - APP_REDIS_URL="redis://redis:6379/0"
+      - APP_LOG_LEVEL="info"
+      - APP_LOG_PATH="/var/log/status-page.log"
     ports:
       - "8080:8080"
     networks:

src/lib.rs

@@ -8,7 +8,7 @@ pub fn get_config() -> Config {
         .add_source(config::File::with_name("config"))
         // Add in settings from the environment (with a prefix of APP)
         // Eg.. `APP_DEBUG=1 ./target/app` would set the `debug` key
-        .add_source(config::Environment::with_prefix("APP"))
+        .add_source(config::Environment::with_prefix("APP").separator("_"))
         .build()
         .expect("Invalid or missing config file")
 }