Add Docker Support with Dockerfile and Docker Compose

webrtc-backend/Dockerfile

@@ -0,0 +1,29 @@
+# Use the official Gradle 6.6.1 image with JDK 17 as the build environment
+FROM gradle:6.6.1-jdk11 AS build
+
+# Set the working directory inside the container
+WORKDIR /app
+
+# Copy the project files into the container
+COPY . .
+
+# Set JVM compatibility to 17 in the build process
+RUN gradle clean build -Dorg.gradle.java.home=/opt/java/openjdk -x test --no-daemon
+
+# Use the official OpenJDK 17 runtime as the runtime environment
+FROM openjdk:17-jdk-slim
+
+# Set the working directory inside the container
+WORKDIR /app
+
+# Copy the built JAR from the build environment
+COPY --from=build /app/build/libs/*.jar app.jar
+
+# Expose the port that the application will run on
+EXPOSE 8080
+
+# Set environment variables if needed (e.g., for ports)
+ENV PORT=8080
+
+# Run the application
+CMD ["java", "-jar", "app.jar"]

webrtc-backend/build.gradle

@@ -41,3 +41,18 @@ dependencies {
     implementation "io.ktor:ktor-client-logging-jvm:$ktor_version"
     testImplementation "io.ktor:ktor-server-tests:$ktor_version"
 }
+
+// JAR task configuration to include the main class in the manifest
+jar {
+    manifest {
+        attributes(
+                'Main-Class': mainClassName,  // Sets the Main-Class attribute for JAR execution
+                'Implementation-Title': project.name,
+                'Implementation-Version': project.version
+        )
+    }
+    duplicatesStrategy = DuplicatesStrategy.EXCLUDE  // Exclude duplicate files
+    from {
+        configurations.runtimeClasspath.collect { it.isDirectory() ? it : zipTree(it) }  // Include dependencies in the JAR
+    }
+}

webrtc-backend/docker-compose.yml

@@ -0,0 +1,9 @@
+version: '3.8'
+
+services:
+  webrtc_ktro_server:
+#    image: DOCKER IMAGE NAME
+    build: .
+    ports:
+      - "8080:8080"
+    restart: always