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JJ Asghar
jjasghar
Father, Husband, Eagle Scout, Beer Nerd, and Computer Nerd. I work as a Developer Advocate for IBM.
Creating Let's Encrypt certificates for IBM free Kubernetes clusters
Creating Let's Encrypt certificates for IBM free Kubernetes clusters
The IBM Kubernetes service free clusters consist of a single worker node with 2 CPU and 4 GB of memory for experimenting with Kubernetes. Unlike the fee-based service, these clusters do not include capabilities for application load balancing using ingress out-of-the-box. However, if you manage a DNS domain (any provider will suffice) and can add an A record, it's possible for you to configure your own ingress that can provide http and https session termination for your containerized applications. Getting a TLS-enabled website or simply an external REST API couldn't be easier!
Prerequisites
Free IBM Kubernetes Cluster (IKS) - upgrade your account from Lite plan to create one. In the example commands, we'll assume that this cluster is named mycluster
kubectl - match your cluster API version (as of 5/17/20 - this is ~1.16.9)
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Example Chef extension to extract secrets from HashiCorp's Vault
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