diff --git a/.env.example b/.env.example
new file mode 100644
index 0000000..05cabcb
--- /dev/null
+++ b/.env.example
@@ -0,0 +1 @@
+GITHUB_TOKEN=[string]
diff --git a/.gitignore b/.gitignore
index 2bcf1ed..cbb49b9 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,4 +1,5 @@
 .idea
+.env
 
 *.class
 
diff --git a/build.gradle.kts b/build.gradle.kts
index 2f1d49e..dc61c08 100644
--- a/build.gradle.kts
+++ b/build.gradle.kts
@@ -1,10 +1,23 @@
 plugins {
+    application
+    id("com.github.johnrengelman.shadow") version "8.1.1"
     kotlin("jvm") version "1.9.22"
 }
 
 group = "technology.idlab"
 version = "1.0-SNAPSHOT"
 
+application {
+    mainClass.set("technology.idlab.MainKt")
+}
+
+tasks.shadowJar {
+    manifest.attributes.apply {
+        put("Main-Class", "technology.idlab.MainKt")
+    }
+    mergeServiceFiles()
+}
+
 repositories {
     mavenCentral()
 }
@@ -22,9 +35,6 @@ dependencies {
     implementation("org.apache.jena:apache-jena-libs:5.0.0")
     implementation("org.apache.jena:jena-arq:5.0.0")
 
-    // Add reactive support.
-    implementation("io.reactivex.rxjava3:rxjava:3.1.8")
-
     // Initialize testing.
     testImplementation("org.jetbrains.kotlin:kotlin-test")
 }
diff --git a/src/main/kotlin/Main.kt b/src/main/kotlin/Main.kt
index 92a41b9..48b3d25 100644
--- a/src/main/kotlin/Main.kt
+++ b/src/main/kotlin/Main.kt
@@ -8,7 +8,7 @@ fun main(args: Array<String>) {
     // Parse arguments.
     if (args.size != 1) {
         println("Usage: jvm-runner <config>")
-        exitProcess(-1)
+        exitProcess(0)
     }
 
     // Parse and load the configuration.