diff --git a/Cargo.lock b/Cargo.lock
index 09be75d..76558c4 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -176,17 +176,6 @@ version = "2.5.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "cf4b9d6a944f767f8e5e0db018570623c85f3d925ac718db4e06d0187adb21c1"
 
-[[package]]
-name = "bty"
-version = "0.2.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "8e4b083c3c82ce9b5927af9bed28c6085d824d6b9a789cccfd6af2bb4fdde3d1"
-dependencies = [
- "paste",
- "serde",
- "uuid",
-]
-
 [[package]]
 name = "bumpalo"
 version = "3.16.0"
@@ -830,12 +819,6 @@ version = "0.1.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "b15813163c1d831bf4a13c3610c05c0d03b39feb07f7e09fa234dac9b15aaf39"
 
-[[package]]
-name = "paste"
-version = "1.0.14"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "de3145af08024dea9fa9914f381a17b8fc6034dfb00f3a84013f7ff43f29ed4c"
-
 [[package]]
 name = "percent-encoding"
 version = "2.3.1"
@@ -893,7 +876,6 @@ dependencies = [
 name = "proto"
 version = "0.1.0"
 dependencies = [
- "bty",
  "chrono",
  "serde",
  "serde_json",
diff --git a/Cargo.toml b/Cargo.toml
index 86a7ad4..1a74590 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -14,7 +14,6 @@ setup.path = "crates/setup"
 worker.path = "worker"
 # External deps (keep alphabetically sorted)
 axum = "0.7"
-bty = { version = "0.2", features = ["uuid-v7"] }
 clap = { version = "4.5", features = ["derive"] }
 chrono = { version = "0.4", default-features = false, features = [
     "std",
diff --git a/ctl/src/discovery/mod.rs b/ctl/src/discovery/mod.rs
index 15ce6a8..c79e0ae 100644
--- a/ctl/src/discovery/mod.rs
+++ b/ctl/src/discovery/mod.rs
@@ -6,6 +6,7 @@ use proto::{
 };
 use tokio::sync::{mpsc, oneshot};
 use tracing::{debug, instrument};
+use uuid::Uuid;
 
 pub struct Discovery {
     rx: mpsc::Receiver<Msg>,
@@ -55,7 +56,7 @@ impl Discovery {
                 _ = reply.send(entries);
             }
             Msg::DeploySchedule(revision_id, reply) => {
-                let deploy_id = DeployId::now_v7();
+                let deploy_id = DeployId(Uuid::now_v7());
                 assert!(!self.deploys.contains_key(&deploy_id));
                 self.deploys.insert(
                     deploy_id,
diff --git a/ctl/src/http/deployer/mod.rs b/ctl/src/http/deployer/mod.rs
index 20fbf3c..f07969c 100644
--- a/ctl/src/http/deployer/mod.rs
+++ b/ctl/src/http/deployer/mod.rs
@@ -1,5 +1,6 @@
 use axum::{extract::State, Json};
 use proto::ctl::deployer::{DeployId, DeployReq, DeployRes, RevisionId};
+use uuid::Uuid;
 
 use crate::http::HttpState;
 
@@ -7,7 +8,7 @@ pub async fn deploy(
     State(state): State<HttpState>,
     Json(payload): Json<DeployReq>,
 ) -> Json<DeployRes> {
-    let revision_id = RevisionId::now_v7();
+    let revision_id = RevisionId(Uuid::now_v7());
 
     let mut deploys_id: Vec<DeployId> = Vec::new();
     for _ in 0..payload.service_spec.concurrency {
diff --git a/flake.nix b/flake.nix
index 5da3925..0c43925 100644
--- a/flake.nix
+++ b/flake.nix
@@ -40,7 +40,6 @@
               text = ''cargo fmt "$@"'';
             })
             cargo-nextest
-            cargo-llvm-cov
 
             gnumake
 
diff --git a/proto/Cargo.toml b/proto/Cargo.toml
index 6b9f23b..50c2bd8 100644
--- a/proto/Cargo.toml
+++ b/proto/Cargo.toml
@@ -7,7 +7,6 @@ edition.workspace = true
 workspace = true
 
 [dependencies]
-bty.workspace = true
 chrono.workspace = true
 serde.workspace = true
 serde_json.workspace = true
diff --git a/proto/src/common/node.rs b/proto/src/common/node.rs
index aeea744..02fff68 100644
--- a/proto/src/common/node.rs
+++ b/proto/src/common/node.rs
@@ -2,13 +2,8 @@ use std::net::SocketAddr;
 
 use serde::{Deserialize, Serialize};
 
-bty::brand!(
-    pub type NodeName = String;
-);
-
 #[derive(Debug, Serialize, Deserialize)]
 pub struct Node {
-    pub name: NodeName,
     pub addr: SocketAddr,
     pub kind: NodeKind,
 }
diff --git a/proto/src/common/service.rs b/proto/src/common/service.rs
index 009d52b..109702b 100644
--- a/proto/src/common/service.rs
+++ b/proto/src/common/service.rs
@@ -1,44 +1,29 @@
-use std::fmt;
-
 use serde::{Deserialize, Serialize};
 
-bty::brand!(
-    pub type ServiceName = String;
-);
-
 #[derive(Debug, Serialize, Deserialize)]
 pub struct NetworkSpec {
-    /// If `None`, won't expose any port.
-    pub expose_port: Option<u16>,
+    pub expose_ports: Vec<u16>,
 }
 
+/// The service domain.
+#[derive(Clone, Debug, Serialize, Deserialize, PartialEq, Eq, Hash)]
+pub struct ServiceId(pub String);
+
+/// The service image.
+#[derive(Clone, Debug, Serialize, Deserialize, PartialEq, Eq, Hash)]
+pub struct ServiceImage(pub String);
+
 #[derive(Debug, Serialize, Deserialize)]
 pub struct ServiceSpec {
-    pub name: ServiceName,
+    /// The service domain.
+    pub id: ServiceId,
+    pub image: ServiceImage,
     pub network: NetworkSpec,
-    pub scripts: Scripts,
+    /// Whether this service is visible to the public load balancer.
+    ///
+    /// Only for port 80 (HTTP traffic).
+    pub public: bool,
     /// The maximum number of instances that Tucano is allowed to run for this
     /// service.
     pub concurrency: u32,
 }
-
-#[derive(Serialize, Deserialize)]
-pub struct Scripts {
-    /// The script that is used to build a new instance of this service.
-    pub build_script: String,
-    /// The script that is used to run an instance of this service.
-    pub runtime_script: String,
-    /// An optional string that is used to remove files associated with this
-    /// service from a given worker node.
-    pub teardown_script: Option<String>,
-}
-
-impl fmt::Debug for Scripts {
-    fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
-        f.debug_struct("Scripts")
-            .field("build", &"<...>")
-            .field("runtime", &"<...>")
-            .field("teardown", &self.teardown_script.as_ref().map(|_| "<...>"))
-            .finish_non_exhaustive()
-    }
-}
diff --git a/proto/src/ctl/config.rs b/proto/src/ctl/config.rs
deleted file mode 100644
index 6ed3617..0000000
--- a/proto/src/ctl/config.rs
+++ /dev/null
@@ -1,39 +0,0 @@
-use serde::{Deserialize, Serialize};
-use uuid::Uuid;
-
-bty::brand!(
-    pub type ConfigVersion = Uuid;
-);
-
-/// Controller configuration.
-#[derive(Debug, Serialize, Deserialize)]
-pub struct Config {
-    // TODO: Define configuration values.
-}
-
-/// Returns the current configuration.
-pub struct GetConfigurationReq {}
-
-/// Response for [`GetConfigurationReq`].
-pub struct GetConfigurationRes {
-    pub version: ConfigVersion,
-    pub config: Config,
-}
-
-/// Defines a new configuration for the controller.
-///
-/// Implementors must implement optimistic locking.
-#[derive(Debug, Serialize, Deserialize)]
-pub struct PutConfigurationReq {
-    /// The previous configuration version.
-    pub version: ConfigVersion,
-    /// The new configuration (will override the current one).
-    pub config: Config,
-}
-
-/// Response for [`PutConfigurationReq`].
-#[derive(Debug, Serialize, Deserialize)]
-pub struct PutConfigurationRes {
-    /// The new configuration version.
-    pub version: ConfigVersion,
-}
diff --git a/proto/src/ctl/deployer.rs b/proto/src/ctl/deployer.rs
index 202f3f5..575f5e3 100644
--- a/proto/src/ctl/deployer.rs
+++ b/proto/src/ctl/deployer.rs
@@ -1,13 +1,13 @@
 use serde::{Deserialize, Serialize};
 use uuid::Uuid;
 
-use crate::common::service::{ServiceName, ServiceSpec};
+use crate::common::service::ServiceSpec;
 
-bty::brand!(
-    pub type RevisionId = Uuid;
+#[derive(Copy, Clone, Debug, Serialize, Deserialize, PartialEq, Eq, Hash)]
+pub struct RevisionId(pub Uuid);
 
-    pub type DeployId = Uuid;
-);
+#[derive(Copy, Clone, Debug, Serialize, Deserialize, PartialEq, Eq, Hash)]
+pub struct DeployId(pub Uuid);
 
 #[derive(Debug, Copy, Clone, Serialize, Deserialize)]
 pub enum DeployStatus {
@@ -39,7 +39,7 @@ pub struct DeployRes {
 /// Stops a given service from running in the system.
 #[derive(Debug, Serialize, Deserialize)]
 pub struct StopReq {
-    pub service_name: ServiceName,
+    pub service_name: String,
     /// Whether to completely remove the service from the system, calling the
     /// teardown script, if any.
     pub remove: bool,
diff --git a/proto/src/ctl/inspector.rs b/proto/src/ctl/inspector.rs
deleted file mode 100644
index 733c1ce..0000000
--- a/proto/src/ctl/inspector.rs
+++ /dev/null
@@ -1,36 +0,0 @@
-use std::{collections::HashMap, os::unix::net::SocketAddr};
-
-use serde::{Deserialize, Serialize};
-
-use crate::common::{
-    node::{Metrics, Node},
-    service::ServiceName,
-};
-
-/// Returns the current system's topological information (regarding its nodes).
-#[derive(Debug, Serialize, Deserialize)]
-pub struct InspectTopologyReq {}
-
-/// Response for [`InspectTopologyReq`].
-#[derive(Debug, Serialize, Deserialize)]
-pub struct InspectTopologyRes {
-    pub nodes: Vec<(Node, Metrics)>,
-    // More stuff?
-}
-
-/// Returns information about the **services** that are being executed on the
-/// system.
-pub struct InspectServicesReq {}
-
-/// Response for [`InspectServicesReq`].
-pub struct InspectServicesRes {
-    pub services: HashMap<ServiceName, ServiceInfo>,
-}
-
-pub struct ServiceInfo {
-    /// The current number of service instances that are running.
-    pub total: u32,
-    /// Maps the node address to the number of instances that are executing on
-    /// it.
-    pub nodes: HashMap<SocketAddr, u32>,
-}
diff --git a/proto/src/ctl/mod.rs b/proto/src/ctl/mod.rs
index 876f383..0fa4d83 100644
--- a/proto/src/ctl/mod.rs
+++ b/proto/src/ctl/mod.rs
@@ -1,11 +1 @@
-/// Agent manager.
-pub mod agent;
-
-/// System inspector, used to introspect the system and its nodes.
-pub mod inspector;
-
-/// Configuration manager.
-pub mod config;
-
-/// Deployer.
 pub mod deployer;
diff --git a/proto/src/ctl/agent.rs b/proto/src/ctl/worker.rs
similarity index 83%
rename from proto/src/ctl/agent.rs
rename to proto/src/ctl/worker.rs
index d6caffc..1788e7e 100644
--- a/proto/src/ctl/agent.rs
+++ b/proto/src/ctl/worker.rs
@@ -3,10 +3,7 @@ use std::collections::HashMap;
 use chrono::{DateTime, Utc};
 use serde::{Deserialize, Serialize};
 
-use crate::common::{
-    node::{Metrics, NodeName},
-    service::ServiceName,
-};
+use crate::common::node::{Metrics, NodeName};
 
 /// Pushes new metrics of a given **worker** node.
 ///
@@ -20,7 +17,7 @@ pub struct PushWorkerMetricsReq {
     pub node_name: NodeName,
     pub metrics: Metrics,
     /// The number of services that are being executed on the node.
-    pub services: HashMap<ServiceName, u32 /* todo: more info? */>,
+    pub services: HashMap<String, u32 /* todo: more info? */>,
     pub recorded_at: DateTime<Utc>,
 }
 
diff --git a/proto/src/worker/runner.rs b/proto/src/worker/runner.rs
index a1d85f6..cee45c0 100644
--- a/proto/src/worker/runner.rs
+++ b/proto/src/worker/runner.rs
@@ -4,7 +4,7 @@
 
 use serde::{Deserialize, Serialize};
 
-use crate::common::service::{ServiceName, ServiceSpec};
+use crate::common::service::ServiceSpec;
 
 /// Starts a **single** deploy of the given service spec.
 ///
@@ -24,7 +24,7 @@ pub struct DeployRes {
 /// Stops a given service from running in the system.
 #[derive(Debug, Serialize, Deserialize)]
 pub struct StopReq {
-    pub service_name: ServiceName,
+    pub service_name: String,
     /// Whether to completely remove the service from the node, calling the
     /// teardown script, if any.
     pub remove: bool,