01 - Run Locally (Dedicated)¶

This tutorial runs the Function App locally and prepares the exact variables and conventions you will use on the Dedicated (App Service Plan) track. Dedicated is always running, billed at a fixed monthly plan price, and works well when you already have App Service capacity or want to co-host Functions with existing web apps.

Prerequisites¶

Azure subscription with permission to create Resource Groups, App Service Plans, Function Apps, and Storage Accounts
Python 3.11+
Azure CLI 2.57+
Azure Functions Core Tools v4
Git

What You'll Build¶

You will run the Python Function App locally from apps/python, load local settings, and validate HTTP endpoints before cloud deployment.

Infrastructure Context

Plan: Dedicated (B1 App Service Plan) — Network: Public internet (B1 tier)

This tutorial runs locally — no Azure resources are created.

flowchart LR
    DEV[Local Machine] --> HOST[Functions Host :7071]
    HOST --> AZURITE[Azurite Local Storage]

flowchart LR
    A["Local source in apps/python"] --> B[Functions host on localhost:7071]
    B --> C["Test calls to /api/health and /api/info"]

Set shared variables for the full Dedicated track:

export RG="rg-func-dedicated-dev"
export APP_NAME="func-dedi-<unique-suffix>"
export PLAN_NAME="asp-dedi-b1-dev"
export STORAGE_NAME="stdedidev<unique>"
export LOCATION="koreacentral"

Sign in and select your subscription:

az login
az account set --subscription "<subscription-id>"

Steps¶

Step 1 - Clone the project and install dependencies¶

git clone https://github.com/yeongseon/azure-functions-practical-guide.git
cd azure-functions-practical-guide
python3 -m venv .venv
source .venv/bin/activate
python3 -m pip install --requirement apps/python/requirements.txt

Step 2 - Create local settings¶

cp apps/python/local.settings.json.example apps/python/local.settings.json

Use a local storage emulator value for development:

{
  "IsEncrypted": false,
  "Values": {
    "FUNCTIONS_WORKER_RUNTIME": "python",
    "AzureWebJobsStorage": "UseDevelopmentStorage=true"
  }
}

Step 3 - Start the Functions host¶

cd apps/python && func host start

Step 4 - Validate local endpoints¶

In a second terminal:

curl --request GET "http://localhost:7071/api/health"
curl --request GET "http://localhost:7071/api/info"

Verification¶

cd apps/python && func host start:

Azure Functions Core Tools
Core Tools Version:       4.x.x
Function Runtime Version: 4.x.x.x

Functions:

    health: [GET] http://localhost:7071/api/health
    info: [GET] http://localhost:7071/api/info

curl --request GET "http://localhost:7071/api/health":

{
  "status": "healthy",
  "timestamp": "2026-04-03T09:30:00Z",
  "version": "1.0.0"
}

az account show --output json (PII-masked example):

{
  "environmentName": "AzureCloud",
  "homeTenantId": "<tenant-id>",
  "id": "<subscription-id>",
  "isDefault": true,
  "name": "<subscription-name>",
  "user": {
    "name": "<masked-user>",
    "type": "user"
  }
}

Next Steps¶

You now have a working local baseline. Next you will provision a Basic (B1) Dedicated App Service Plan, deploy the app, and enable Always On.

Next: 02 - First Deploy