fix: change config typing

Author: carlosvdr

config/src/config.rs

@@ -150,7 +150,7 @@ pub struct IndexerConfig {
 pub struct DatabaseConfig {
     pub postgres_url: Url,
     pub postgres_host: String,
-    pub postgres_port: String,
+    pub postgres_port: i32,
     pub postgres_user: String,
     pub postgres_password: String,
     pub postgress_db: String,

service/src/config.rs

@@ -33,7 +33,7 @@ impl From<MainConfig> for Config {
                 Some(value.database.postgres_url.into()),
                 Some(value.database.postgres_host),
                 Some(value.database.postgres_password),
-                Some(value.database.postgres_port),
+                Some(value.database.postgres_port.to_string()),
                 Some(value.database.postgres_user),
                 Some(value.database.postgress_db),
             ),