Introduce Dockerfile

Dockerfile

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+# Use the official Kotlin image
+FROM openjdk:21-jdk-slim as build
+
+# Set the working directory
+WORKDIR /server
+
+# Copy the build.gradle.kts and settings.gradle.kts
+COPY build.gradle.kts settings.gradle.kts ./
+
+# Copy the source code
+COPY src ./src
+
+# Build the application
+RUN ./gradlew build -x test
+
+# Second stage to create the final image
+FROM openjdk:21-jre-slim
+
+# Set the working directory
+WORKDIR /server
+
+# Copy the built JAR file from the previous stage
+COPY --from=build /server/build/libs/*.jar server.jar
+
+# Expose the port your application runs on
+EXPOSE 8080
+
+ENV DISCORD_BOT_TOKEN="YOUr TOKEN"
+
+# Command to run the application
+ENTRYPOINT ["java", "-jar", "app.jar"]

shared/build.gradle.kts

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+// empty, no build configuration needed for this module