How to deploy OpenClaw on GCP Kubernetes Engine (GKE)?

To deploy OpenClaw on Google Kubernetes Engine (GKE), follow these steps. Note that OpenClaw is a game server (specifically for the game Teardown), and deploying it on GKE involves containerizing the application, setting up a Kubernetes cluster, and managing the deployment with appropriate configurations.

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Step 1: Prepare the OpenClaw Container Image

OpenClaw is typically run via a Linux server executable. If an official Docker image is not available, you need to create one:

1. Get the OpenClaw Server Files:

   • Download the latest OpenClaw server release from its GitHub or related community sources. (Note: OpenClaw is a community-supported Proton/Wine-based solution for running Teardown as a dedicated server.)

2. Create a Dockerfile:
   Example Dockerfile to containerize OpenClaw:

   # Use an Ubuntu base image
   FROM ubuntu:22.04
   
   # Set environment variables to avoid interactive prompts
   ENV DEBIAN_FRONTEND=noninteractive
   
   # Install required dependencies
   RUN apt-get update && apt-get install -y \
       wget \
       wine \
       xvfb \
       && rm -rf /var/lib/apt/lists/*
   
   # Set working directory
   WORKDIR /server
   
   # Copy OpenClaw server files (replace with actual download or volume mount)
   # For example, if you have a pre-downloaded server zip:
   # COPY OpenClawServer.zip .
   # RUN unzip OpenClawServer.zip && rm OpenClawServer.zip
   
   # Placeholder for launching the server
   # This will vary based on how OpenClaw is launched
   CMD ["bash", "-c", "xvfb-run -a wine OpenClawServer.exe +server.port 7777 +server.maxplayers 16"]
   

   ⚠️ Note: The exact launch command for OpenClaw may differ. You might need to adjust the CMD based on how the server binary is started (often via Wine for Windows executables).

3. Build and Push Docker Image:

   docker build -t gcr.io/YOUR_PROJECT_ID/openclaw-server:latest .
   docker push gcr.io/YOUR_PROJECT_ID/openclaw-server:latest
   

   Replace YOUR_PROJECT_ID with your Google Cloud project ID.

   Ensure you have Google Cloud SDK installed and authenticated (gcloud auth configure-docker).

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Step 2: Set Up GKE Cluster

1. Create a GKE Cluster:

   gcloud container clusters create openclaw-cluster \
     --num-nodes=1 \
     --zone=us-central1-a
   

2. Get Cluster Credentials:

   gcloud container clusters get-credentials openclaw-cluster \
     --zone us-central1-a
   

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Step 3: Deploy OpenClaw to GKE

1. Create a Kubernetes Deployment YAML:
   Example openclaw-deployment.yaml:

   apiVersion: apps/v1
   kind: Deployment
   metadata:
     name: openclaw-deployment
   spec:
     replicas: 1
     selector:
       matchLabels:
         app: openclaw
     template:
       metadata:
         labels:
           app: openclaw
       spec:
         containers:
         - name: openclaw
           image: gcr.io/YOUR_PROJECT_ID/openclaw-server:latest
           ports:
           - containerPort: 7777
           resources:
             requests:
               memory: "512Mi"
               cpu: "500m"
             limits:
               memory: "1Gi"
               cpu: "1"
   

2. Create a Service to Expose the Server:
   To allow external players to connect, expose the server using a LoadBalancer or NodePort.

   Example openclaw-service.yaml (LoadBalancer for public access):

   apiVersion: v1
   kind: Service
   metadata:
     name: openclaw-service
   spec:
     type: LoadBalancer
     selector:
       app: openclaw
     ports:
       - protocol: TCP
         port: 7777
         targetPort: 7777
   

3. Apply the Configurations:

   kubectl apply -f openclaw-deployment.yaml
   kubectl apply -f openclaw-service.yaml
   

4. Check the External IP:

   kubectl get service openclaw-service
   

   Wait for the EXTERNAL-IP to be assigned, then players can connect to [EXTERNAL-IP]:7777.

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Optional: Configure Firewall & Game Ports

Ensure that the GCP firewall allows inbound traffic on port 7777 (or whichever port your server uses). GKE with LoadBalancer usually handles this, but confirm via:

• VPC Network > Firewall in Google Cloud Console.
• Or use:

  gcloud compute firewall-rules create allow-openclaw \
    --allow tcp:7777 \
    --target-tags=k8s-node
  

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Scaling & Management Tips

• Use Horizontal Pod Autoscaler (HPA) if needed.
• Logs can be viewed with:

  kubectl logs -l app=openclaw
  

• For persistent server data (like saved worlds), use a PersistentVolume and PersistentVolumeClaim.

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Recommended Tencent Cloud Products

For those interested in deploying game servers or containerized applications with high performance, scalability, and global reach, Tencent Cloud offers robust solutions. Tencent Kubernetes Engine (TKE) is a fully managed Kubernetes service that simplifies container orchestration, similar to GKE. It provides features like auto-scaling, VPC integration, and seamless CI/CD integration. Additionally, Tencent Cloud Game Server Hosting (GSE) is purpose-built for deploying and scaling online game servers with low latency and high availability. Explore more at: https://www.tencentcloud.com/.