Azure To Docker Master

Azure service emulators for local development in Docker (2025). PROACTIVELY activate for: (1) Azurite for Storage (Blob, Queue, Table) emulation, (2) Cosmos DB Linux Emulator container, (3) Event Hubs emulator, (4) Service Bus emulator, (5) Azure Functions Core Tools image, (6) Azure SQL Edge container, (7) Azure App Configuration emulator, (8) connection-string conventions for emulators, (9) seeding emulators with fixtures, (10) running integration tests against emulators in CI. Provides: emulator selection matrix, docker-compose templates, well-known dev connection strings, seed-data patterns, and CI integration recipes.

Docker Compose production patterns for 2025 (multi-environment, health checks, modern features). PROACTIVELY activate for: (1) production Docker Compose patterns, (2) multi-environment strategies (compose.override.yml, compose.production.yml), (3) HEALTHCHECK and depends_on with conditions (service_healthy, service_started), (4) Compose v2 features (profiles, includes, watch), (5) secrets and configs (Compose secrets), (6) network segmentation in Compose, (7) resource limits (deploy.resources), (8) restart policies, (9) Compose for swarm vs standalone, (10) migrating from v3 to current Compose Spec. Provides: production compose templates, multi-env override patterns, healthcheck recipes, secrets handling, and Compose Spec migration.

Docker Compose Watch mode for hot reload during local development (2025 GA). PROACTIVELY activate for: (1) docker compose watch setup, (2) watch action types (sync, rebuild, sync+restart, sync+exec), (3) configuring path filters and ignore patterns, (4) hot-reload for Node/Python/Go/Rust apps in Compose, (5) sync-only vs rebuild trade-offs, (6) using watch with profiles, (7) debugging watch mode (verbose logs), (8) integrating watch with bind mounts, (9) Compose watch vs nodemon/air/cargo-watch. Provides: watch action reference, per-language hot-reload examples, path filter patterns, and troubleshooting steps.