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dwaradwara/README.md

Production Support · Cloud Operations · Incident Response · Reliability Engineering

I build and troubleshoot production-style systems across Linux, AWS, PostgreSQL, Redis, APIs, observability, and incident response.



⚡ Featured Engineering Work

🚦 OpsPilot

Production Support & Reliability Engineering

AWS ECS Terraform PostgreSQL Redis Prometheus Grafana

Production-style AWS staging environment built around operating, monitoring, breaking, diagnosing, and recovering services.

Highlights

  • Immutable ECS deployments
  • GitHub Actions + AWS OIDC
  • Database migration gates
  • ECS deployment protection
  • SLOs and error budgets
  • Prometheus / Grafana / Loki / Tempo
  • Transactional outbox architecture
  • Controlled failure injection
  • 8 documented incident drills
  • Operational runbooks

🛠️ L2 Production Support Lab

Application & Infrastructure Troubleshooting

Linux Nginx HTTP REST API PostgreSQL

Support-focused troubleshooting environment built around realistic application and infrastructure failures.

Focus

  • HTTP 400 / 401 / 403 / 500
  • API troubleshooting
  • Nginx failures
  • Log investigation
  • PostgreSQL diagnosis
  • Service recovery
  • Escalation workflow

⚡ Supabase Support Lab

Developer & Database Support

PostgreSQL RLS Auth Storage REST

Hands-on technical support scenarios focused on database permissions, authentication, APIs, and query behavior.

Focus

  • RLS visibility failures
  • Storage upload errors
  • Permission troubleshooting
  • REST API failures
  • Authentication diagnosis
  • SQL performance
  • Query optimization

🐧 Ubuntu KVM Support Lab

Linux Infrastructure Support

Ubuntu KVM Networking Virtualization

Linux infrastructure lab focused on host, VM, networking, and service-level troubleshooting.

Focus

  • VM diagnostics
  • Linux services
  • Host troubleshooting
  • Networking
  • Virtualization
  • Infrastructure support

🧭 How I Approach Incidents

Detect → Investigate → Isolate → Mitigate → Recover → Document

🧰 Engineering Stack


🐧 Systems

Linux
Windows
CLI
HTTP
DNS
Networking

☁️ Cloud

AWS
ECS
EC2
RDS
S3
ElastiCache

📊 Observability

Prometheus
Grafana
Loki
Tempo
OpenTelemetry
CloudWatch

🗄️ Data

PostgreSQL
SQL
Redis
Alembic
SQLAlchemy

🔎 Engineering Focus

🔧 Production Support

Application failures
Logs
APIs
Troubleshooting

☁️ Cloud Operations

AWS infrastructure
ECS services
Deployments
Health checks

🚨 Incident Response

Failure isolation
Mitigation
Recovery
Runbooks

📈 Reliability

SLOs
Error budgets
Monitoring
Resilience

🎯 Current Focus

Technical Support Engineering · Production Support · Cloud Support · Reliability Engineering / SRE

Building deeper production experience through real infrastructure, failure simulations, observability, and operational troubleshooting.

Build → Operate → Observe → Break Safely → Understand → Improve



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  1. opspilot opspilot Public

    Production-support and reliability engineering platform on AWS with ECS, PostgreSQL, Redis, Terraform, observability, CI/CD, and controlled incident drills.

    Python

  2. l2-production-support-lab l2-production-support-lab Public

    Hands-on L2 production support lab covering Linux, SQL, Docker, monitoring, alerting, incident management and centralized logging.

    Python

  3. supabase-support-lab supabase-support-lab Public

    Hands-on Supabase support engineering lab covering PostgreSQL, RLS, Auth, Storage, Data API, logs and incident troubleshooting.

    HTML

  4. ubuntu-kvm-support-lab ubuntu-kvm-support-lab Public

    Hands-on Ubuntu/KVM production-support lab with 16 documented incidents covering Linux, libvirt, networking, PostgreSQL, monitoring, security, and recovery.

    HCL