Deploying EBS via EB CLI fails: ERROR

Question

I'm using EB CLI to launch a django project on EBS; the process produces the following error:

2024-02-24 16:35:50    ERROR   Creating load balancer failed Reason: Resource handler returned message: "At least two subnets in two different Availability Zones must be specified (Service: ElasticLoadBalancingV2, Status Code: 400, Request ID: ***********)" (RequestToken: *****, HandlerErrorCode: InvalidRequest)

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2024-02-24 16:37:53    ERROR   Stack named 'awseb-***' aborted operation. Current state: 'CREATE_FAILED'  Reason: The following resource(s) failed to create: [AWSEBV2LoadBalancer].

My ".ebextensions" has the following file:

option_settings:
  aws:elasticbeanstalk:container:python:
    WSGIPath: ****.wsgi:application

=======================

I tried to add a VPC to the "django-config" file with no result.

Accepted Answer

Hello.

What commands are you running with "EB CLI"?  
If you are running the "eb create" command, try specifying two subnets to be used by ALB with "--vpc.elbsubnets".  
Also, please select a subnet in a different availability zone.  
You may find the following documentation examples helpful.  
https://docs.aws.amazon.com/elasticbeanstalk/latest/dg/eb3-create.html#eb3-createexample1  
```
eb create dev-vpc --vpc.id vpc-0ce8dd99 --vpc.elbsubnets subnet-b356d7c6,subnet-02f74b0c --vpc.ec2subnets subnet-0bb7f0cd,subnet-3b6697c1 --vpc.securitygroup sg-70cff265
```

Deploying EBS via EB CLI fails: ERROR

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