diff --git a/.github/workflows/tests.yml b/.github/workflows/tests.yml
new file mode 100644
index 0000000..552b80e
--- /dev/null
+++ b/.github/workflows/tests.yml
@@ -0,0 +1,94 @@
+# Based on https://github.com/actions-rs/meta/blob/master/recipes/quickstart.md
+#
+# While our "example" application has the platform-specific code,
+# for simplicity we are compiling and testing everything on the Ubuntu environment only.
+# For multi-OS testing see the `cross.yml` workflow.
+
+on: [push, pull_request]
+
+name: Tests
+
+jobs:
+  check:
+    name: Check ${{ matrix.db_feature }} (${{ matrix.os }})
+    runs-on: ${{ matrix.os }}
+    strategy:
+      fail-fast: false
+      matrix:
+        os: [ubuntu-latest]
+        rust: [stable]
+        db_feature: [db-sled, db-redis, db-mongo]
+    steps:
+      - name: Checkout sources
+        uses: actions/checkout@v2
+
+      - name: Install toolchain
+        uses: actions-rs/toolchain@v1
+        with:
+          profile: minimal
+          toolchain: ${{ matrix.rust }}
+          override: true
+
+      - name: Run cargo check
+        uses: actions-rs/cargo@v1
+        with:
+          command: check
+          args: --no-default-features --features=secure-auth,${{ matrix.db_feature }},crates-io-mirroring
+
+  test:
+    name: Test ${{ matrix.db_feature }} (${{ matrix.os }})
+    runs-on: ${{ matrix.os }}
+    strategy:
+      fail-fast: false
+      matrix:
+        os: [ubuntu-latest]
+        rust: [stable]
+        db_feature: [db-sled, db-redis, db-mongo]
+    steps:
+      - name: Checkout sources
+        uses: actions/checkout@v2
+
+      - name: Install toolchain
+        uses: actions-rs/toolchain@v1
+        with:
+          profile: minimal
+          toolchain: ${{ matrix.rust }}
+          override: true
+
+      - name: Run cargo test
+        uses: actions-rs/cargo@v1
+        with:
+          command: test
+          args: --no-default-features --features=secure-auth,${{ matrix.db_feature }},crates-io-mirroring
+
+  lints:
+    name: Lints (${{ matrix.os }})
+    runs-on: ${{ matrix.os }}
+    strategy:
+      fail-fast: false
+      matrix:
+        os: [ubuntu-latest]
+    steps:
+      - name: Checkout sources
+        uses: actions/checkout@v2
+
+      - name: Install stable toolchain
+        uses: actions-rs/toolchain@v1
+        with:
+          profile: minimal
+          toolchain: stable
+          override: true
+          components: rustfmt, clippy
+
+      - name: Run cargo fmt
+        uses: actions-rs/cargo@v1
+        with:
+          command: fmt
+          args: --all -- --check
+
+      - name: Run cargo clippy
+        uses: actions-rs/cargo@v1
+        continue-on-error: true # Set until the lints are fixed separately
+        with:
+          command: clippy
+          args: -- -D warnings
diff --git a/src/config.rs b/src/config.rs
index 721cf8c..defad63 100644
--- a/src/config.rs
+++ b/src/config.rs
@@ -76,6 +76,9 @@ impl CrateFilesConfig {
 
 #[derive(Debug, Clone, Deserialize)]
 pub struct DbConfig {
+    #[serde(default = "DbConfig::login_prefix_default")]
+    pub login_prefix: String,
+
     #[cfg(feature = "db-sled")]
     #[serde(default = "DbConfig::db_dir_path_default")]
     pub db_dir_path: PathBuf,
@@ -92,6 +95,7 @@ pub struct DbConfig {
 impl Default for DbConfig {
     fn default() -> DbConfig {
         DbConfig {
+            login_prefix: DbConfig::login_prefix_default(),
             #[cfg(feature = "db-sled")]
             db_dir_path: DbConfig::db_dir_path_default(),
             #[cfg(feature = "db-redis")]
@@ -103,6 +107,10 @@ impl Default for DbConfig {
 }
 
 impl DbConfig {
+    fn login_prefix_default() -> String {
+        "ktra-secure-auth:".to_owned()
+    }
+
     #[cfg(feature = "db-sled")]
     fn db_dir_path_default() -> PathBuf {
         PathBuf::from("db")
diff --git a/src/db_manager/mongo_db_manager.rs b/src/db_manager/mongo_db_manager.rs
index a9ea003..c7f52cb 100644
--- a/src/db_manager/mongo_db_manager.rs
+++ b/src/db_manager/mongo_db_manager.rs
@@ -49,6 +49,7 @@ struct EntryMap {
 pub struct MongoDbManager {
     client: Client,
     database_name: String,
+    login_prefix: String,
 }
 
 #[async_trait]
@@ -79,6 +80,7 @@ impl DbManager for MongoDbManager {
             let db_manager = MongoDbManager {
                 client,
                 database_name,
+                login_prefix: config.login_prefix.clone(),
             };
             Ok(db_manager)
         };
@@ -86,6 +88,10 @@ impl DbManager for MongoDbManager {
         initialization.map_err(Error::Db).await
     }
 
+    async fn get_login_prefix(&self) -> Result<&str, Error> {
+        Ok(&self.login_prefix)
+    }
+
     #[tracing::instrument(skip(self, user_id, name))]
     async fn can_edit_owners(&self, user_id: u32, name: &str) -> Result<bool, Error> {
         check_crate_name(&name)?;
@@ -233,7 +239,7 @@ impl DbManager for MongoDbManager {
     #[tracing::instrument(skip(self, name))]
     async fn user_by_username(&self, name: &str) -> Result<User, Error> {
         let name = name.to_owned();
-        let login = format!("ktra-secure-auth:{}", name);
+        let login = format!("{}{}", self.login_prefix, name);
         let collection = self
             .client
             .database(&self.database_name)
diff --git a/src/db_manager/redis_db_manager.rs b/src/db_manager/redis_db_manager.rs
index ae2ee36..3955d9e 100644
--- a/src/db_manager/redis_db_manager.rs
+++ b/src/db_manager/redis_db_manager.rs
@@ -26,6 +26,7 @@ const TOKENS_KEY: &str = "ktra:__TOKENS__";
 
 pub struct RedisDbManager {
     client: Client,
+    login_prefix: String,
 }
 
 #[async_trait]
@@ -42,13 +43,20 @@ impl DbManager for RedisDbManager {
                 connection.set(SCHEMA_VERSION_KEY, &SCHEMA_VERSION).await?;
             }
 
-            let db_manager = RedisDbManager { client };
+            let db_manager = RedisDbManager {
+                client,
+                login_prefix: config.login_prefix.clone(),
+            };
             Ok(db_manager)
         };
 
         initialization.map_err(Error::Db).await
     }
 
+    async fn get_login_prefix(&self) -> Result<&str, Error> {
+        Ok(&self.login_prefix)
+    }
+
     #[tracing::instrument(skip(self, user_id, name))]
     async fn can_edit_owners(&self, user_id: u32, name: &str) -> Result<bool, Error> {
         check_crate_name(&name)?;
@@ -134,7 +142,7 @@ impl DbManager for RedisDbManager {
     #[tracing::instrument(skip(self, name))]
     async fn user_by_username(&self, name: &str) -> Result<User, Error> {
         let name = name.into();
-        let login = format!("ktra-secure-auth:{}", name);
+        let login = format!("{}{}", self.login_prefix, name);
         let mut users: Vec<User> = self.deserialize(USERS_KEY).await?.unwrap_or_default();
 
         users.sort_by_key(|u| u.login.clone());
diff --git a/src/db_manager/sled_db_manager.rs b/src/db_manager/sled_db_manager.rs
index 153f340..8bb5b23 100644
--- a/src/db_manager/sled_db_manager.rs
+++ b/src/db_manager/sled_db_manager.rs
@@ -27,6 +27,7 @@ const OLD_TOKENS_KEY: &str = "tokens";
 
 pub struct SledDbManager {
     tree: Db,
+    login_prefix: String,
 }
 
 #[async_trait]
@@ -48,11 +49,18 @@ impl DbManager for SledDbManager {
             tree.flush_async().map_err(Error::Db).await?;
         }
 
-        let db_manager = SledDbManager { tree };
+        let db_manager = SledDbManager {
+            tree,
+            login_prefix: config.login_prefix.clone(),
+        };
 
         Ok(db_manager)
     }
 
+    async fn get_login_prefix(&self) -> Result<&str, Error> {
+        Ok(&self.login_prefix)
+    }
+
     #[tracing::instrument(skip(self, user_id, name))]
     async fn can_edit_owners(&self, user_id: u32, name: &str) -> Result<bool, Error> {
         check_crate_name(&name)?;
@@ -136,7 +144,7 @@ impl DbManager for SledDbManager {
     #[tracing::instrument(skip(self, name))]
     async fn user_by_username(&self, name: &str) -> Result<User, Error> {
         let name = name.into();
-        let login = format!("ktra-secure-auth:{}", name);
+        let login = format!("{}{}", self.login_prefix, name);
         let mut users: Vec<User> = self.deserialize(USERS_KEY)?.unwrap_or_default();
 
         users.sort_by_key(|u| u.login.clone());
diff --git a/src/db_manager/traits.rs b/src/db_manager/traits.rs
index 6133689..7034ddc 100644
--- a/src/db_manager/traits.rs
+++ b/src/db_manager/traits.rs
@@ -7,6 +7,7 @@ use semver::Version;
 #[async_trait]
 pub trait DbManager: Send + Sync + Sized {
     async fn new(confg: &DbConfig) -> Result<Self, Error>;
+    async fn get_login_prefix(&self) -> Result<&str, Error>;
 
     async fn can_edit_owners(&self, user_id: u32, name: &str) -> Result<bool, Error>;
     async fn owners(&self, name: &str) -> Result<Vec<User>, Error>;
diff --git a/src/main.rs b/src/main.rs
index 213a707..232587f 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -175,6 +175,7 @@ fn matches() -> ArgMatches<'static> {
         (@arg DL_DIR_PATH: --("dl-dir-path") +takes_value "Sets the crate files directory")
         (@arg CACHE_DIR_PATH: --("cache-dir-path") +takes_value "Sets the crates.io cache files directory (needs `crates-io-mirroring` feature)")
         (@arg DL_PATH: --("dl-path") +takes_value ... "Sets a crate files download path")
+        (@arg LOGIN_PREFIX: --("login-prefix") +takes_value "Sets the prefix to registered users on the registry.")
         (@arg DB_DIR_PATH: --("db-dir-path") +takes_value "Sets a database directory (needs `db-sled` feature)")
         (@arg REDIS_URL: --("redis-url") + takes_value "Sets a Redis URL (needs `db-redis` feature)")
         (@arg MONGODB_URL: --("mongodb-url") + takes_value "Sets a MongoDB URL (needs `db-mongo` feature)")
@@ -220,6 +221,10 @@ async fn main() -> anyhow::Result<()> {
         config.crate_files_config.dl_path = dl_path;
     }
 
+    if let Some(login_prefix) = matches.value_of("LOGIN_PREFIX") {
+        config.db_config.login_prefix = login_prefix.into();
+    }
+
     #[cfg(feature = "db-sled")]
     if let Some(db_dir_path) = matches.value_of("DB_DIR_PATH").map(PathBuf::from) {
         config.db_config.db_dir_path = db_dir_path;
diff --git a/src/post.rs b/src/post.rs
index 6594de2..e9c9531 100644
--- a/src/post.rs
+++ b/src/post.rs
@@ -41,7 +41,7 @@ async fn handle_new_user(
         .map_ok(|user_id| user_id.map(|u| u + 1).unwrap_or(0))
         .map_err(warp::reject::custom)
         .await?;
-    let login_id = format!("ktra-secure-auth:{}", name);
+    let login_id = format!("{}{}", db_manager.get_login_prefix().await?, name);
     let user = User::new(user_id, login_id, Some(name));
 
     db_manager