diff --git a/packages/backend/src/config.rs b/packages/backend/src/config.rs
index 87a1d1643e..510bd1d62e 100644
--- a/packages/backend/src/config.rs
+++ b/packages/backend/src/config.rs
@@ -112,7 +112,7 @@ mod tests {
         assert_eq!(
             config,
             Config {
-                url: String::from("https://example.tld/"),
+                url: Host("https://example.tld/".into()),
                 port: 3000,
                 db: db::DbConfig {
                     host: String::from("localhost"),
diff --git a/packages/backend/src/config/cfg.rs b/packages/backend/src/config/cfg.rs
index 19b496635f..619fe44744 100644
--- a/packages/backend/src/config/cfg.rs
+++ b/packages/backend/src/config/cfg.rs
@@ -1,11 +1,51 @@
 use serde::Deserialize;
 
+type Port = u16;
+
+#[derive(Debug, PartialEq, Deserialize)]
+pub struct MaxNoteLength(pub u16);
+
+#[derive(Debug, PartialEq, Deserialize)]
+pub enum IpFamily {
+    Both = 0,
+    IPv4 = 4,
+    IPv6 = 6,
+}
+
+#[derive(Debug, PartialEq, Deserialize, Default)]
+pub struct Host(pub String);
+
 #[derive(Debug, PartialEq, Deserialize)]
 #[serde(rename = "camelCase")]
 pub struct Config {
-    pub url: String,
-    pub port: u16,
+    pub url: Host,
+    pub port: Port,
     pub db: db::DbConfig,
+    pub redis: redis::RedisConfig,
+    pub sonic: sonic::SonicConfig,
+    pub elasticsearch: elasticsearch::ElasticsearchConfig,
+    pub id: IdGenerator,
+    pub max_note_length: MaxNoteLength,
+    pub max_caption_length: MaxNoteLength,
+    pub disable_hsts: bool,
+    pub cluster_limit: u16,
+    pub deliver_job_concurrency: u16,
+    pub inbox_job_concurrency: u16,
+    pub deliver_job_per_sec: u16,
+    pub inbox_job_per_sec: u16,
+    pub deliver_job_max_attempts: u16,
+    pub inbox_job_max_attempts: u16,
+    pub outgoing_address_family: IpFamily,
+    pub syslog: syslog::SyslogConfig,
+    pub proxy: Host,
+}
+
+#[derive(Debug, PartialEq, Deserialize)]
+pub enum IdGenerator {
+    AId,
+    MeId,
+    ULId,
+    ObjectID,
 }
 
 pub mod db {
@@ -14,7 +54,7 @@ pub mod db {
     #[serde(rename = "camelCase")]
     pub struct DbConfig {
         pub host: String,
-        pub port: u16,
+        pub port: Port,
         pub db: String,
         pub user: String,
         pub pass: String,
@@ -30,6 +70,64 @@ pub mod db {
     }
 }
 
+pub mod redis {
+    use super::*;
+
+    #[derive(Debug, PartialEq, Deserialize)]
+    #[serde(rename = "camelCase")]
+    pub struct RedisConfig {
+        pub host: String,
+        pub port: Port,
+        #[serde(default = "ip_family_fn")]
+        pub family: IpFamily,
+        #[serde(default)]
+        pub pass: Option<String>,
+        #[serde(default)]
+        pub prefix: Option<String>,
+        #[serde(default)]
+        pub db: Option<i32>,
+    }
+}
+
+pub mod sonic {
+    use super::*;
+
+    #[derive(Debug, PartialEq, Deserialize)]
+    pub struct SonicConfig {
+        pub host: Host,
+        pub port: Port,
+        pub auth: String,
+        pub collection: String,
+        pub bucket: Option<String>,
+    }
+}
+
+pub mod elasticsearch {
+    use super::*;
+
+    #[derive(Debug, PartialEq, Deserialize)]
+    pub struct ElasticsearchConfig {
+        pub host: Host,
+        pub port: Port,
+        #[serde(default)]
+        pub ssl: bool,
+        pub user: Option<String>,
+        pub pass: Option<String>,
+    }
+}
+
+pub mod syslog {
+    use super::*;
+
+    #[derive(Debug, PartialEq, Deserialize)]
+    pub struct SyslogConfig {}
+}
+
+
 fn true_fn() -> bool {
     true
 }
+
+fn ip_family_fn() -> IpFamily {
+    IpFamily::Both
+}
diff --git a/packages/backend/src/main.rs b/packages/backend/src/main.rs
index ee948d1518..1acb88d966 100644
--- a/packages/backend/src/main.rs
+++ b/packages/backend/src/main.rs
@@ -1,3 +1,6 @@
+
+use std::path::Path;
+
 mod config;
 
 fn main() {
@@ -6,4 +9,6 @@ fn main() {
     // ENV
 
     // get config
+
+    config::init_config(Path::new(""));
 }