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Python Appservice Deploy

Deploy Python (Flask/Django/FastAPI) code to Azure App Service Linux. WHEN: \"Flask App Service\", \"Django App Service\", \"FastAPI App Service\", \"deploy Python to App Service\". DO NOT USE FOR: Container Apps, Functions, non-Python, Terraform/Bicep/IaC, full infra — use azure-prepare.

Use this skillView repositoryView on skills.sh
Specification
Skill ID
microsoft/azure-skills/python-appservice-deploy
Publisher
microsoft
Repository
azure-skills
Installs
2,329
Files
13
License
MIT
Synced
Sep 16, 2026
How to use it

Open any RiverX project, open the Skills panel in the chat, and search for this identifier. The files are fetched from the source repository at install time.

microsoft/azure-skills/python-appservice-deployInstalls these files
  • SKILL.md
  • references/create-app.md
  • references/deploy-azcli.md
  • references/deploy-azd.md
  • references/detect.md
  • references/errors.md
  • references/post-deploy-message.md
  • references/startup-commands.md
  • references/transient-retry.md
  • scripts/generate-app-name.ps1
  • scripts/generate-app-name.sh
  • scripts/retry-az-create.ps1
  • scripts/retry-az-create.sh

What this skill tells the agent

Python on Azure App Service — Code Deploy

Deploys Python (Flask, Django, FastAPI, generic) code to Azure App Service Linux (P0v3, Python 3.14). Creates RG + Plan + Web App if missing. Hand off to azure-prepare for VNet, Key Vault, databases, or IaC.

MCP tools used: mcp_azure_mcp_subscription_list, mcp_azure_mcp_group_list, mcp_azure_mcp_appservice, mcp_azure_mcp_azd (when azure.yaml is present).

Workflow

  1. Resolve context — smart defaults, minimal prompts. Only the app name is interactive; RG (<app>-rg), Plan (<app>-plan), region (current az default or eastus2), subscription are derived. create-app.md §1.
  2. Detect framework (advisory, never blocks). detect.md.
  3. Choose path — azure.yaml host: appservice → deploy-azd.md; else deploy-azcli.md.
  4. Ensure RG → Plan (`P0v3 --is-linux`) → Web App (`--runtime "PYTHON:3.14"`) exist. On transient ARM errors, follow transient-retry.md. create-app.md.
  5. Set startup — Flask/Django: none (Oryx auto-detects). FastAPI: always python -m uvicorn main:app --host 0.0.0.0. Other: warn. startup-commands.md.
  6. Set `SCM_DO_BUILD_DURING_DEPLOYMENT=true`.
  7. Deploy — azd deploy or az webapp deploy --type zip --track-status false.
  8. STOP. Print the post-deploy message (post-deploy-message.md) and end the turn.

Hard rules

  • ⛔ NO POST-DEPLOY VERIFICATION — after deploy returns, do not run az webapp log tail, curl, Invoke-WebRequest, or any health probe. App Service needs 2–3 min to warm; a quiet log or early 5xx is not failure.
  • ⛔ SHELL SAFETY — for --runtime always use "PYTHON:3.14" (colon). Never "PYTHON|3.14" (pipe is a shell operator).
  • ⛔ NEVER `az webapp up` — deprecated. Use Step 7 commands.
  • ✅ URL FORMAT — present endpoints as https://... URLs.

Error Handling

See errors.md for the full symptom → cause → fix matrix. Quick triage: missing plan/app → re-run Step 4; container ping timeout on 8000 → fix startup (Step 5); ModuleNotFoundError after deploy → ensure Step 6 ran, redeploy.

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