eb-infra

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Manages AWS infrastructure supporting Elastic Beanstalk — SSL certificates, custom domains, secrets, database monitoring, security auditing, CloudWatch alarms, and cost analysis. Use when user asks about SSL, HTTPS, certificates, custom domains, DNS, Route 53, secrets, API keys, parameter store, RDS, security groups, IAM roles, CloudWatch, monitoring, costs, or billing. For EB CLI operations use the dedicated skills.

shinmc By shinmc schedule Updated 2/16/2026
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name: eb-infra description: Manages AWS infrastructure supporting Elastic Beanstalk — SSL certificates, custom domains, secrets, database monitoring, security auditing, CloudWatch alarms, and cost analysis. Use when user asks about SSL, HTTPS, certificates, custom domains, DNS, Route 53, secrets, API keys, parameter store, RDS, security groups, IAM roles, CloudWatch, monitoring, costs, or billing. For EB CLI operations use the dedicated skills. compatibility: Requires AWS CLI with configured credentials. Some operations require specific IAM permissions (ACM, Route 53, Secrets Manager, RDS, CloudWatch, Cost Explorer). license: MIT allowed-tools: - Bash metadata: author: shinmc version: 1.0.0

AWS Infrastructure for Elastic Beanstalk

Manage AWS services that support Elastic Beanstalk environments — SSL certificates, custom domains, secrets, databases, security, monitoring, and costs.

When to Use

  • SSL/HTTPS certificate management
  • Custom domain setup (Route 53)
  • Secrets management (Secrets Manager, SSM Parameter Store)
  • Database monitoring and snapshots (RDS)
  • Security auditing (IAM, security groups)
  • CloudWatch alarms and SNS notifications
  • Cost analysis and optimization

When NOT to Use

  • EB CLI operations (deploy, status, logs, config) → use the dedicated skills
  • Creating/managing environments → use environment skill
  • Troubleshooting application issues → use troubleshoot skill
  • Platform updates → use maintenance skill

Prerequisites

AWS CLI must be installed and configured:

aws --version
aws configure

SSL / HTTPS (ACM)

List Certificates

aws acm list-certificates --output table

Request Certificate (DNS Validation)

aws acm request-certificate \
  --domain-name example.com \
  --validation-method DNS \
  --subject-alternative-names "*.example.com" \
  --output json

Check Certificate Status

aws acm describe-certificate --certificate-arn <arn> --output json

Get DNS Validation Records

aws acm describe-certificate \
  --certificate-arn <arn> \
  --query 'Certificate.DomainValidationOptions[*].ResourceRecord' \
  --output table

Add these CNAME records to DNS (see Domains section below).

Configure HTTPS on EB

After certificate is issued, edit via eb config (use eb skill):

aws:elbv2:listener:443:
  ListenerEnabled: 'true'
  Protocol: HTTPS
  SSLCertificateArns: <certificate-arn>

Delete Certificate

aws acm delete-certificate --certificate-arn <arn> --output json

Cannot delete if in use by a load balancer — remove from EB config first.

Custom Domains (Route 53)

List Hosted Zones

aws route53 list-hosted-zones --output table

List DNS Records

aws route53 list-resource-record-sets --hosted-zone-id <zone-id> --output table

Point Subdomain to EB (CNAME)

aws route53 change-resource-record-sets \
  --hosted-zone-id <zone-id> \
  --change-batch '{
    "Changes": [{
      "Action": "UPSERT",
      "ResourceRecordSet": {
        "Name": "app.example.com",
        "Type": "CNAME",
        "TTL": 300,
        "ResourceRecords": [{"Value": "<env-name>.us-east-1.elasticbeanstalk.com"}]
      }
    }]
  }'

Point Root Domain to EB (ALIAS)

aws route53 change-resource-record-sets \
  --hosted-zone-id <zone-id> \
  --change-batch '{
    "Changes": [{
      "Action": "UPSERT",
      "ResourceRecordSet": {
        "Name": "example.com",
        "Type": "A",
        "AliasTarget": {
          "HostedZoneId": "<eb-region-hosted-zone-id>",
          "DNSName": "<env-name>.us-east-1.elasticbeanstalk.com",
          "EvaluateTargetHealth": true
        }
      }
    }]
  }'

EB Hosted Zone IDs by region:

  • us-east-1=Z117KPS5GTRQ2G, us-east-2=Z14LCN19Q5QHJI, us-west-1=Z1LQECGX5PH1X, us-west-2=Z38NKT9BP95V3O
  • eu-west-1=Z2NYPWQ7DFZAZH, eu-west-2=Z1GKAAAUGATPF1, eu-west-3=Z5WN6GAABZTB7, eu-central-1=Z1FRNW7UH4DEZJ
  • ap-southeast-1=Z16FZ9L249IFLT, ap-southeast-2=Z2PCDNR3VC2G1N, ap-northeast-1=Z1R25G3KIG2GBW, ap-northeast-2=Z3JE5OI70TWKCP
  • ap-south-1=Z18NTBI3Y7N9TZ, ca-central-1=ZJFCZL7SSZB5I, sa-east-1=Z10X7K2B4QSOFV

For the full list, see AWS Elastic Beanstalk endpoints.

Check DNS Propagation

aws route53 get-change --id <change-id> --output json

Delete DNS Record

Use Action: "DELETE" with exact same record values.

Secrets (Secrets Manager & SSM)

Secrets Manager

Security: Avoid passing secret values directly on the command line — they are visible in shell history and process listings. Prefer --secret-string file://secret.txt where the file contains only the secret value.

# Create
aws secretsmanager create-secret \
  --name myapp/api-key \
  --secret-string file://secret.txt --output json

# Retrieve
aws secretsmanager get-secret-value --secret-id myapp/api-key --output json

# List
aws secretsmanager list-secrets --output table

# Update
aws secretsmanager update-secret \
  --secret-id myapp/api-key \
  --secret-string file://secret.txt --output json

# Rotate
aws secretsmanager rotate-secret --secret-id myapp/api-key --output json

# Delete (with 7-day recovery)
aws secretsmanager delete-secret \
  --secret-id myapp/api-key \
  --recovery-window-in-days 7 --output json

SSM Parameter Store

Security: Avoid passing secret values directly on the command line — they are visible in shell history and process listings. Prefer --value file://secret.txt where the file contains only the secret value.

# Create (encrypted)
aws ssm put-parameter \
  --name /myapp/prod/db-url \
  --value file://secret.txt \
  --type SecureString --output json

# Retrieve
aws ssm get-parameter --name /myapp/prod/db-url --with-decryption --output json

# List by path
aws ssm get-parameters-by-path --path /myapp/prod/ --with-decryption --output table

# Delete
aws ssm delete-parameter --name /myapp/prod/old-key --output json

Reference Secrets in EB Environment Variables

EB natively resolves secrets at deployment time:

# Secrets Manager
eb setenv DB_PASS='{{resolve:secretsmanager:myapp/db-pass}}'

# SSM Parameter Store
eb setenv API_KEY='{{resolve:ssm-secure:/myapp/prod/api-key}}'

Note: eb printenv shows the reference syntax, not the resolved value. The app receives the actual value at runtime.

Database (RDS)

This section focuses on monitoring and snapshots. Do NOT create/delete databases via CLI — use AWS Console.

List RDS Instances

aws rds describe-db-instances \
  --query 'DBInstances[*].[DBInstanceIdentifier,DBInstanceStatus,Engine,Endpoint.Address,Endpoint.Port]' \
  --output table

Get Connection Details

aws rds describe-db-instances \
  --db-instance-identifier <db-name> \
  --query 'DBInstances[0].Endpoint.[Address,Port]' \
  --output text

Compare with eb printenv to verify DATABASE_URL matches.

Create Pre-Deploy Snapshot

aws rds create-db-snapshot \
  --db-instance-identifier <db-name> \
  --db-snapshot-identifier pre-deploy-$(date +%Y%m%d-%H%M) --output json

List Snapshots

aws rds describe-db-snapshots \
  --db-instance-identifier <db-name> \
  --query 'DBSnapshots[*].[DBSnapshotIdentifier,Status,SnapshotCreateTime]' \
  --output table

Check Pending Maintenance

aws rds describe-pending-maintenance-actions --output table

View Database Logs

aws rds download-db-log-file-portion \
  --db-instance-identifier <db-name> \
  --log-file-name error/mysql-error-running.log --output text

Security Audit

Find EB Security Groups

aws ec2 describe-security-groups \
  --filters "Name=group-name,Values=*awseb*" \
  --query 'SecurityGroups[*].[GroupId,GroupName]' --output table

Audit Inbound Rules

aws ec2 describe-security-groups \
  --group-ids <sg-id> \
  --query 'SecurityGroups[0].IpPermissions' --output json

Flag Overly Permissive Rules (0.0.0.0/0)

aws ec2 describe-security-groups \
  --group-ids <sg-id> \
  --query 'SecurityGroups[0].IpPermissions[?IpRanges[?CidrIp==`0.0.0.0/0`]]' --output json
  • Port 22 open to 0.0.0.0/0 → Restrict to your IP
  • Port 80/443 open to 0.0.0.0/0 → OK for web-facing load balancers
  • All ports open → High risk, restrict immediately

Check EB IAM Roles

# Service role
aws iam get-role --role-name aws-elasticbeanstalk-service-role --output json
aws iam list-attached-role-policies --role-name aws-elasticbeanstalk-service-role --output table

# Instance profile
aws iam list-attached-role-policies --role-name aws-elasticbeanstalk-ec2-role --output table

Find EB EC2 Instances

aws ec2 describe-instances \
  --filters "Name=tag:elasticbeanstalk:environment-name,Values=<env-name>" \
  --query 'Reservations[*].Instances[*].[InstanceId,State.Name,PublicIpAddress]' --output table

Monitoring (CloudWatch Alarms)

List EB Metrics

aws cloudwatch list-metrics \
  --namespace AWS/ElasticBeanstalk \
  --dimensions Name=EnvironmentName,Value=<env-name> --output table

Key metrics: EnvironmentHealth, ApplicationRequests5xx, ApplicationLatencyP99, CPUUtilization, InstancesOk

Query Metrics (Last Hour)

# macOS:
aws cloudwatch get-metric-statistics \
  --namespace AWS/ElasticBeanstalk \
  --metric-name CPUUtilization \
  --dimensions Name=EnvironmentName,Value=<env-name> \
  --start-time $(date -u -v-1H +%Y-%m-%dT%H:%M:%S) \
  --end-time $(date -u +%Y-%m-%dT%H:%M:%S) \
  --period 300 --statistics Average Maximum --output table

# Linux:
aws cloudwatch get-metric-statistics \
  --namespace AWS/ElasticBeanstalk \
  --metric-name CPUUtilization \
  --dimensions Name=EnvironmentName,Value=<env-name> \
  --start-time $(date -u -d '1 hour ago' +%Y-%m-%dT%H:%M:%S) \
  --end-time $(date -u +%Y-%m-%dT%H:%M:%S) \
  --period 300 --statistics Average Maximum --output table

Create SNS Topic + Subscribe

aws sns create-topic --name eb-alerts --output json
aws sns subscribe --topic-arn <arn> --protocol email --notification-endpoint your@email.com

Create Alarms

# High 5xx errors
aws cloudwatch put-metric-alarm \
  --alarm-name "<env>-high-5xx" \
  --namespace AWS/ElasticBeanstalk --metric-name ApplicationRequests5xx \
  --dimensions Name=EnvironmentName,Value=<env-name> \
  --statistic Sum --period 300 --evaluation-periods 2 --threshold 10 \
  --comparison-operator GreaterThanThreshold --alarm-actions <sns-arn>

# High CPU
aws cloudwatch put-metric-alarm \
  --alarm-name "<env>-high-cpu" \
  --namespace AWS/ElasticBeanstalk --metric-name CPUUtilization \
  --dimensions Name=EnvironmentName,Value=<env-name> \
  --statistic Average --period 300 --evaluation-periods 3 --threshold 80 \
  --comparison-operator GreaterThanThreshold --alarm-actions <sns-arn>

# Environment unhealthy
aws cloudwatch put-metric-alarm \
  --alarm-name "<env>-unhealthy" \
  --namespace AWS/ElasticBeanstalk --metric-name EnvironmentHealth \
  --dimensions Name=EnvironmentName,Value=<env-name> \
  --statistic Maximum --period 300 --evaluation-periods 1 --threshold 15 \
  --comparison-operator GreaterThanOrEqualToThreshold --alarm-actions <sns-arn>

Manage Alarms

aws cloudwatch describe-alarms --alarm-name-prefix "<env>" --output table
aws cloudwatch delete-alarms --alarm-names "<alarm-name>"

Cost Analysis

Monthly Costs by Service

# macOS:
aws ce get-cost-and-usage \
  --time-period Start=$(date -u -v-1m +%Y-%m-01),End=$(date -u +%Y-%m-01) \
  --granularity MONTHLY --metrics UnblendedCost \
  --group-by Type=DIMENSION,Key=SERVICE --output json

# Linux:
aws ce get-cost-and-usage \
  --time-period Start=$(date -u -d '1 month ago' +%Y-%m-01),End=$(date -u +%Y-%m-01) \
  --granularity MONTHLY --metrics UnblendedCost \
  --group-by Type=DIMENSION,Key=SERVICE --output json

Costs by EB Environment

# macOS:
aws ce get-cost-and-usage \
  --time-period Start=$(date -u -v-1m +%Y-%m-01),End=$(date -u +%Y-%m-01) \
  --granularity MONTHLY --metrics UnblendedCost \
  --filter '{"Tags":{"Key":"elasticbeanstalk:environment-name","Values":["<env-name>"]}}' \
  --group-by Type=DIMENSION,Key=SERVICE --output json

# Linux:
aws ce get-cost-and-usage \
  --time-period Start=$(date -u -d '1 month ago' +%Y-%m-01),End=$(date -u +%Y-%m-01) \
  --granularity MONTHLY --metrics UnblendedCost \
  --filter '{"Tags":{"Key":"elasticbeanstalk:environment-name","Values":["<env-name>"]}}' \
  --group-by Type=DIMENSION,Key=SERVICE --output json

Cost Forecast

# macOS:
aws ce get-cost-forecast \
  --time-period Start=$(date -u +%Y-%m-%d),End=$(date -u -v+1m +%Y-%m-01) \
  --metric UNBLENDED_COST --granularity MONTHLY --output json

# Linux:
aws ce get-cost-forecast \
  --time-period Start=$(date -u +%Y-%m-%d),End=$(date -u -d '1 month' +%Y-%m-01) \
  --metric UNBLENDED_COST --granularity MONTHLY --output json

Cost Optimization Tips

  • CPU avg < 20% → downsize instance type
  • Dev/test → use --single (no LB, saves ~$16/month)
  • Enable Spot Instances for non-production
  • Scale down during off-hours

Composability

  • Deploy code: Use deploy skill
  • Check status & health: Use status skill
  • View logs: Use logs skill
  • Change EB configuration: Use config skill
  • Troubleshoot issues: Use troubleshoot skill
  • Manage environments: Use environment skill
  • Documentation & best practices: Use eb-docs skill

Additional Resources

Install via CLI
npx skills add https://github.com/shinmc/aws-beanstalk-skills --skill eb-infra
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