Tag: amazon web services
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Stop Paying for Kubernetes Load Balancers: Use Cloudflare Tunnel Instead
Category: DevOps
What if you could ditch the Ingress, Load Balancer, and Public IP entirely? Enter Cloudflare Tunnel. It costs $0.
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Deploy Ethereum RPC Provider Load Balancer with HAProxy in Kubernetes (AWS EKS)
Category: Blockchain, DevOps
Put a HAProxy load balancer in front of multiple Ethereum RPC providers, and adjust traffic weights by the latency and block timestamp of each endpoint.
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Deploy graph-node (The Graph) in Kubernetes (AWS EKS)
Category: Blockchain, DevOps
Two ways to run a self-hosted graph-node on Amazon EKS: a single node with one PostgreSQL database, or a cluster with a primary-secondary PostgreSQL cluster.
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Amazon EKS: Setup Cluster Autoscaler
Category: DevOps, Web Development
Cluster Autoscaler adjusts the number of nodes when pods fail to schedule. Here we deploy the AWS implementation on Amazon EKS.
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Amazon EKS: Setup kubernetes-external-secrets with AWS Secret Manager
Category: DevOps, Web Development
kubernetes-external-secrets allows you to use external secret management systems, like AWS Secrets Manager, to securely add Secrets in Kubernetes, so Pods can access Secrets normally.
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Amazon EKS: Manage Kubernetes Cluster with ClusterConfig (2025 Version)
Category: DevOps, Web Development
Amazon Elastic Kubernetes Service (Amazon EKS) is a managed Kubernetes as a Service on AWS. IMAO, Google Cloud's GKE is still the best choice for managed Kubernetes service if you're not stuck in AWS.
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Fix "No Access-Control-Allow-Origin header" for S3 and CloudFront
Category: DevOps, Web Development
To avoid the error "No 'Access-Control-Allow-Origin' header is present on the requested resource"
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Apex and Terraform: The easiest way to manage AWS Lambda functions
Category: DevOps, Web Development
Apex is a Go command-line tool to manage and deploy your serverless functions on AWS Lambda. Apex is also integrated with Terraform to provide cloud infrastructure management, for instance, configuring your AWS Lambda functions with Amazon API Gateway.
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Upload files to Amazon S3 when Travis CI builds pass
Category: DevOps, Python, Web Development
CAUTION! By default, only master branch's builds could trigger deployments in Travis CI.
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Setup a static website on Amazon S3
Category: DevOps, Web Development
Say that you would like to host your static site on Amazon S3 with a custom domain and, of course, HTTPS.