Prometheus Application Guide

Prometheus is an open-source systems monitoring and alerting toolkit designed for reliability and scalability.

Status: Available (Not Yet Tested)

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Quick Reference

Property	Value
Application ID	prometheus
Category	Monitoring
Default Image	prom/prometheus:latest
Application Port	9090
Default CPU	1024 (Fargate)
Default Memory	2048 MB (Fargate)
Default Instance	t3.small (EC2)
Health Check Path	/
Health Check Grace	300 seconds
Supports Fargate	Yes
Supports EC2	Yes
OIDC Support	No (use ALB-OIDC)
Database Required	No (embedded TSDB)

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Capabilities

• Multi-dimensional time series data model
• PromQL query language
• Pull-based metrics collection
• Service discovery
• Alerting with Alertmanager
• Visualization (basic, use Grafana for dashboards)
• Recording rules
• Remote storage integration
• Exporters ecosystem

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Storage Configuration

Container (Fargate)

Property	Value
Data Path	/prometheus
EFS Path	/prometheus
Volume Name	prometheusData
Container User	65534:65534 (nobody)
EFS Permissions	755

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Deployment Context Examples

Development

{
  "stackName": "Prometheus-Dev",
  "applicationId": "prometheus",
  "applicationName": "Prometheus Dev",
  "description": "Prometheus monitoring server",
  "environment": "development",

  "runtime": "fargate",
  "securityProfile": "dev",
  "topology": "application-service",

  "networkMode": "private-with-nat",
  "region": "us-east-1",

  "authMode": "none",

  "cpu": 1024,
  "memory": 2048,

  "enableMonitoring": true,
  "logRetentionDays": "7"
}

Cost estimate: ~$50/month

Production - With Authentication

{
  "stackName": "Prometheus-Production",
  "applicationId": "prometheus",
  "applicationName": "Prometheus",
  "description": "Production monitoring server",
  "environment": "production",

  "runtime": "ec2",
  "securityProfile": "production",
  "topology": "application-service",

  "domain": "example.com",
  "subdomain": "prometheus",
  "enableSsl": true,

  "networkMode": "private-with-nat",
  "region": "us-east-1",

  "authMode": "alb-oidc",
  "cognitoAutoProvision": true,
  "cognitoDomainPrefix": "prometheus-prod-yourcompany",
  "cognitoMfaEnabled": true,

  "instanceType": "t3.medium",
  "minInstanceCapacity": 1,
  "maxInstanceCapacity": 2,

  "complianceFrameworks": "SOC2",
  "awsConfigEnabled": true,
  "wafEnabled": true,

  "enableMonitoring": true,
  "enableEncryption": true,
  "logRetentionDays": "365",
  "retainStorage": true
}

Cost estimate: ~$200/month

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Configuration

Default prometheus.yml:

global:
  scrape_interval: 15s
  evaluation_interval: 15s

scrape_configs:
  - job_name: 'prometheus'
    static_configs:
      - targets: ['localhost:9090']

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Post-Deployment Tasks

1. Configure Scrape Targets: Edit prometheus.yml
2. Add Exporters: Node Exporter, CloudWatch Exporter, etc.
3. Set Up Alerting: Configure Alertmanager
4. Connect Grafana: Add as data source

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Related Documentation

• Grafana Guide - Visualization
• Prometheus Documentation