multi tenancy part 1

backend/src/config.rs

@@ -30,6 +30,7 @@ pub struct AppConfig {
     pub s3_bucket: String,
     pub quickwit_endpoint: Option<String>,
     pub quickwit_index: Option<String>,
+    pub default_tenant_slug: String,
 }
 
 impl AppConfig {
@@ -79,6 +80,8 @@ impl AppConfig {
         let s3_bucket = env::var("S3_BUCKET").context("S3_BUCKET must be set")?;
         let quickwit_endpoint = env::var("QUICKWIT_ENDPOINT").ok();
         let quickwit_index = env::var("QUICKWIT_INDEX").ok();
+        let default_tenant_slug =
+            env::var("DEFAULT_TENANT_SLUG").unwrap_or_else(|_| "admin".to_string());
 
         Ok(Self {
             database_url,
@@ -104,6 +107,7 @@ impl AppConfig {
             s3_bucket,
             quickwit_endpoint,
             quickwit_index,
+            default_tenant_slug,
         })
     }