feat: load cookie secret in settings

.env_sample

@@ -1 +1,3 @@
 export POSTGRES_DATABASE_URL="postgres://postgres:password@localhost:5432/postgres"
+export POSTGRES_DATABASE_URL="postgres://postgres:password@localhost:5432/postgres"
+export FORGEFLUX_server_COOKIE_SECRET=""

config/default.toml

@@ -13,6 +13,7 @@ port = 7000
 ip= "0.0.0.0" 
 # enter your hostname, eg: example.com
 domain = "localhost:7000"
+#cookie_secret = ""
 
 [database]
 # This section deals with the database location and how to access it

src/settings/server.rs

@@ -7,6 +7,7 @@ pub struct Server {
     pub port: u32,
     pub domain: String,
     pub ip: String,
+    pub cookie_secret: String,
 }
 
 impl Server {
@@ -18,6 +19,7 @@ impl Server {
         for (parameter, env_var_name) in [
             ("server.port", "PORT"),
             ("server.domain", "FORGEFLUX_server_DOMAIN"),
+            ("server.cookie_secret", "FORGEFLUX_server_COOKIE_SECRET"),
             ("server.ip", "FORGEFLUX_server_IP"),
         ]
         .iter()
@@ -49,5 +51,11 @@ mod tests {
             server.domain
         );
         env_helper!(init_settings, "FORGEFLUX_server_IP", "1.1.1.1", server.ip);
+        env_helper!(
+            init_settings,
+            "FORGEFLUX_server_COOKIE_SECRET",
+            "asdfasdflkjhasdlkfhalksdf",
+            server.cookie_secret
+        );
     }
 }