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READ_DOCKER_KB.md

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We followed this tutorial: https://www.digitalocean.com/community/tutorials/deploying-an-express-application-on-a-kubernetes-cluster

  • To build the docker images:

    docker build -f Dockerfile.index -t indexer/index .
docker build -f Dockerfile.web -t indexer/web .

  • To push the images to docker hub:

    docker tag indexer/index:latest gitcoinco/indexer-index:latest
docker push gitcoinco/indexer-index:latest

docker tag indexer/web:latest gitcoinco/indexer-web:latest
docker push gitcoinco/indexer-web:latest

SOLUTION FOR ENVIRONMENT VARIABLES (kubernetes doesn't support .env file):

  • Created a config map:

    kubectl create configmap indexer-web-config --from-env-file=.env

  • Reference the config map in kb-deployment.yml with:

    envFrom:
  - configMapRef:
      name: indexer-web-config

  • NOT DONE - For sensitive data we could have creaded a secret with:

    kubectl create secret generic indexer-web-secrets --from-env-file=.env

  • NOT DONE - And referenced the secret in kb-deployment.yml with:

    envFrom:
  - secretRef:
      name: indexer-web-secrets

Logs

Get the current instances of server:

kubectl get pods

Possible response:

NAME                                      READY   STATUS    RESTARTS   AGE
indexer-web-554574455d-lg98l   1/1        Running              0          41m
indexer-web-554574455d-t4tgj   1/1        Running               0          41m

Then to see the logs of the first instance:

kubectl logs indexer-web-554574455d-lg98l