CDK Constructs for AWS ElasticLoadBalancing
Project description
Amazon Elastic Load Balancing Construct Library
This API is still under active development and subject to non-backward compatible changes or removal in any future version. Use of the API is not recommended in production environments. Experimental APIs are not subject to the Semantic Versioning model.
The @aws-cdk/aws-ec2
package provides constructs for configuring
classic load balancers.
Configuring a Load Balancer
Load balancers send traffic to one or more AutoScalingGroups. Create a load
balancer, set up listeners and a health check, and supply the fleet(s) you want
to load balance to in the targets
property.
const lb = new elb.LoadBalancer(this, 'LB', {
vpc,
internetFacing: true,
healthCheck: {
port: 80
},
});
lb.addTarget(myAutoScalingGroup);
lb.addListener({
externalPort: 80,
});
The load balancer allows all connections by default. If you want to change that,
pass the allowConnectionsFrom
property while setting up the listener:
lb.addListener({
externalPort: 80,
allowConnectionsFrom: [mySecurityGroup]
});
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