diff --git a/src/services/emulator/_runner.services.ts b/src/services/emulator/_runner.services.ts
index 1f56ab9..2688b86 100644
--- a/src/services/emulator/_runner.services.ts
+++ b/src/services/emulator/_runner.services.ts
@@ -204,6 +204,11 @@ const startEmulator = async ({config: extendedConfig}: {config: CliEmulatorConfi
   const configFile = nonNullish(detectedConfig.configPath)
     ? basename(detectedConfig.configPath)
     : undefined;
+
+  /**
+   * @deprecated as of v0.4.0, the container does not read the juno.config anymore.
+   * Sputnik build and Satellite's upgrades are triggered with a POST request to the exposed server.
+   */
   const configFilePath = nonNullish(configFile) ? join(process.cwd(), configFile) : undefined;
 
   // Podman does not auto create the path folders.
diff --git a/src/services/functions/build/_dispatch.services.ts b/src/services/functions/build/_dispatch.services.ts
new file mode 100644
index 0000000..0bdf4e1
--- /dev/null
+++ b/src/services/functions/build/_dispatch.services.ts
@@ -0,0 +1,38 @@
+import {red} from 'kleur';
+import {readEmulatorConfig} from '../../../configs/emulator.config';
+import {assertConfigAndReadSatelliteId} from '../../../utils/satellite.utils';
+import {dispatchRequest} from '../../emulator/admin.services';
+
+export const dispatchEmulatorUpgrade = async () => {
+  const {satelliteId} = await assertConfigAndReadSatelliteId();
+
+  await dispatchTouch({request: `satellite/upgrade?id=${satelliteId}`});
+};
+
+export const dispatchEmulatorBuild = async () => {
+  await dispatchTouch({request: 'sputnik/build'});
+};
+
+/**
+ * Workaround Podman and Apple container issues on macOS:
+ * - https://github.com/containers/podman/issues/22343
+ * - https://github.com/apple/container/issues/141
+ */
+const dispatchTouch = async ({request}: {request: string}) => {
+  const parsedResult = await readEmulatorConfig();
+
+  if (!parsedResult.success) {
+    return;
+  }
+
+  const {result} = await dispatchRequest({
+    config: parsedResult.config,
+    request
+  });
+
+  // We silence the error (result === error). Maybe the emulator is not running on purpose.
+
+  if (result === 'not_ok') {
+    console.log(red(`Invalid response from the emulator. Request '${request}' did not succeed.`));
+  }
+};
diff --git a/src/services/functions/build/build.rust.services.ts b/src/services/functions/build/build.rust.services.ts
index 4cb73df..9847214 100644
--- a/src/services/functions/build/build.rust.services.ts
+++ b/src/services/functions/build/build.rust.services.ts
@@ -31,7 +31,7 @@ import {formatTime} from '../../../utils/format.utils';
 import {readPackageJson} from '../../../utils/pkg.utils';
 import {readEmulatorConfigAndCreateDeployTargetDir} from '../../emulator/_fs.services';
 import {prepareJunoPkgForSatellite, prepareJunoPkgForSputnik} from './build.metadata.services';
-import {dispatchEmulatorTouchSatellite} from './touch.services';
+import {dispatchEmulatorUpgrade} from './_dispatch.services';
 
 export const buildRust = async ({
   paths,
@@ -161,7 +161,7 @@ export const buildRust = async ({
     spinner.stop();
   }
 
-  await dispatchEmulatorTouchSatellite();
+  await dispatchEmulatorUpgrade();
 };
 
 const SATELLITE_DID_FILE = join(DEVELOPER_PROJECT_SATELLITE_PATH, 'satellite.did');
diff --git a/src/services/functions/build/build.services.ts b/src/services/functions/build/build.services.ts
index 65e9026..6d861d6 100644
--- a/src/services/functions/build/build.services.ts
+++ b/src/services/functions/build/build.services.ts
@@ -16,7 +16,7 @@ import {type BuildArgs} from '../../../types/build';
 import {buildArgs} from '../../../utils/build.utils';
 import {buildJavaScript, buildTypeScript} from './build.javascript.services';
 import {buildRust} from './build.rust.services';
-import {dispatchEmulatorTouchSputnik} from './touch.services';
+import {dispatchEmulatorBuild} from './_dispatch.services';
 
 export const build = async (args?: string[]) => {
   const {watch, ...params} = buildArgs(args);
@@ -118,7 +118,7 @@ const executeSputnikBuild = async ({
   const withToolchain = nonNullish(paths?.cargo) || ENV.ci;
 
   if (!withToolchain) {
-    await dispatchEmulatorTouchSputnik();
+    await dispatchEmulatorBuild();
     return;
   }
 
diff --git a/src/services/functions/build/touch.services.ts b/src/services/functions/build/touch.services.ts
deleted file mode 100644
index 49b28cf..0000000
--- a/src/services/functions/build/touch.services.ts
+++ /dev/null
@@ -1,53 +0,0 @@
-import {red} from 'kleur';
-import {readEmulatorConfig} from '../../../configs/emulator.config';
-import {SATELLITE_WASM, SPUTNIK_INDEX_MJS} from '../../../constants/dev.constants';
-import {dispatchRequest} from '../../emulator/admin.services';
-
-export const dispatchEmulatorTouchSatellite = async () => {
-  await dispatchTouch({filename: `${SATELLITE_WASM}.gz`});
-};
-
-export const dispatchEmulatorTouchSputnik = async () => {
-  await dispatchTouch({filename: SPUTNIK_INDEX_MJS});
-};
-
-/**
- * Workaround Podman and Apple container issues on macOS:
- * - https://github.com/containers/podman/issues/22343
- * - https://github.com/apple/container/issues/141
- */
-const dispatchTouch = async ({filename}: {filename: string}) => {
-  if (process.platform !== 'darwin') {
-    // Workaround only required on macOS. Not sure if it's required on old Intel process, maybe not but
-    // for simplicity reasons let's consider all Apple devices require the workaround.
-    return;
-  }
-
-  const parsedResult = await readEmulatorConfig();
-
-  if (!parsedResult.success) {
-    return;
-  }
-
-  const {
-    config: {
-      derivedConfig: {runner}
-    }
-  } = parsedResult;
-
-  if (runner === 'docker') {
-    // No need of the workaround for Docker
-    return;
-  }
-
-  const {result} = await dispatchRequest({
-    config: parsedResult.config,
-    request: `admin/touch?file=${encodeURIComponent(filename)}`
-  });
-
-  // We silence the error (result === error). Maybe the emulator is not running on purpose.
-
-  if (result === 'not_ok') {
-    console.log(red(`Invalid response from the emulator. Touching '${filename}' did not succeed.`));
-  }
-};