Tech Stack Diagramming Excalidraw Mermaid Software Architecture Modular Monolith Programming Languages Go JavaScript Python (for data engineering) Scripting Bash Front-End Svelte htmx Reverse Proxy Caddy Traefik Web Server Caddy Data Storage Relational PostgreSQL SQLite Key-Value NATS Redis Object NATS MinIO Time Series TimescaleDB Analytics DuckDB Data Lake and Lakehouse DuckLake Data Engineering Redpanda Connect DuckDB pg_duckdb dbt Evidence Optimization OR-Tools Messaging NATS Centrifugo Durable Execution Temporal Identity and Access Management (IAM) ZITADEL Keycloak Secrets Management SOPS Observability OpenTelemetry OpenTelemetry Collector Prometheus Grafana Stack Testing Postman + Newman k6 Kubernetes Distributions K3s GitOps Flux Argo CD Platform Engineering Crossplane Policy Engine Kyverno Secrets Management Flux + SOPS Certificate Management cert-manager Serverless KEDA Tools K9s K3d kind Infrastructure Automation Terraform Security Scanning Trivy