Digital Ocean Packer Images
Packer configuration for Digital Ocean droplet with the following baked in:
- docker
- docker-compose
- docker-gc for cleanup of unused images
- strict default firewall rules
- minimal netdata configuration with 2 hours data retention of to the second metrics.
After building you can go into the Digital Ocean image administration page; you will find the built packer image there. Under "more" you can create a new droplet.
How to use
packer build -var 'api_token=YOUR API TOKEN' template.json
Kubernetes
The kubernetes image comes with kubeadm, which is a tool that makes setting
up a custom cluster easier.
On the master:
kubeadm init --ignore-preflight-errors Swap --pod-network-cidr=10.244.0.0/16
Setup flannel:
kubectl apply -f https://raw.githubusercontent.com/coreos/flannel/v0.9.1/Documentation/kube-flannel.yml
On a node:
kubeadm join ...