Container Chat with NATS

Note: The guides in here haven't been updated in a while. They might or might not work for you. We are keeping them around for informational purposes.

For up-to-date documentation around products and projects started by Weaveworks, please refer to:

Weaveworks products: https://weave.works/docs

Open Source projects started at Weaveworks:

• Cortex (CNCF): https://cortexmetrics.io/docs
• Flagger (CNCF): https://docs.flagger.app
• Flux (CNCF): https://fluxcd.io/docs
• Grafanalib: https://grafanalib.rtfd.org
• Ignite: https://ignite.rtfd.org
• Weave GitOps: https://docs.gitops.weave.works
• wksctl: https://wksctl.rtfd.org

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Docker for Mac

Setup:

weave launch
./compose up
./compose ps

Access Weave Scope:

open http://localhost:4040

Access the Container Chat app:

open http://localhost:8080

Send some requests in:

curl -XPUT localhost:8080/echo/BOOM
curl -XPUT localhost:8080/echo/BOOM
curl -XPUT localhost:8080/echo/YEAH

Scale the backend:

./compose scale

Send more requests:

curl -XPUT localhost:8080/echo/MOAR
curl -XPUT localhost:8080/echo/MOAR

Make change to Ruby or JavaScript code, run ./compose up to update!

Kill it, if you had enough:

./compose down
weave stop

For EC2 Container Service

Prerequisites:

• Must have AWS CLI installed and configured with credentials.
• Ideally should have ownership of the AWS account.
• Will also need EC2 key name.

aws cloudformation create-stack \
  --stack-name weave-nats-demo \
  --parameters ParameterKey=KeyName,ParameterValue=<YourKeyNameKey> \
  --capabilities CAPABILITY_IAM \
  --template-body "file:////${PWD}/cloudformation.json"