4. Deploy Containers to Azure Container Apps

#!/bin/bash

# Azure Container Apps Provisioning Script
# This script deploys a container to Azure Container Apps
# First with nginx, then updates to a custom PHP application

# Configuration variables
RESOURCE_GROUP="container-apps-demo-rg"
LOCATION="northeurope"
ENVIRONMENT="container-apps-env"
APP_NAME="php-demo-app"

# Color codes for output
RED='\033[0;31m'
GREEN='\033[0;32m'
YELLOW='\033[1;33m'
NC='\033[0m' # No Color

# Function to print colored output
print_status() {
    echo -e "${GREEN}[INFO]${NC} $1"
}

print_error() {
    echo -e "${RED}[ERROR]${NC} $1"
}

print_warning() {
    echo -e "${YELLOW}[WARNING]${NC} $1"
}

# Check if Azure CLI is installed
if ! command -v az &> /dev/null; then
    print_error "Azure CLI is not installed. Please install it first."
    echo "Visit: https://docs.microsoft.com/en-us/cli/azure/install-azure-cli"
    exit 1
fi

print_status "Starting Azure Container Apps deployment..."

# Step 1: Create Resource Group
print_status "Creating Resource Group: $RESOURCE_GROUP"
az group create \
    --name $RESOURCE_GROUP \
    --location $LOCATION \
    --output none

if [ $? -eq 0 ]; then
    print_status "Resource Group created successfully"
else
    print_error "Failed to create Resource Group"
    exit 1
fi

# Step 2: Create Container Apps Environment
print_status "Creating Container Apps Environment: $ENVIRONMENT"
az containerapp env create \
    --name $ENVIRONMENT \
    --resource-group $RESOURCE_GROUP \
    --location $LOCATION \
    --output none

if [ $? -eq 0 ]; then
    print_status "Container Apps Environment created successfully"
else
    print_error "Failed to create Container Apps Environment"
    exit 1
fi

# Step 3: Deploy nginx container first
print_status "Deploying nginx container to test the setup..."
NGINX_URL=$(az containerapp create \
    --name $APP_NAME \
    --resource-group $RESOURCE_GROUP \
    --environment $ENVIRONMENT \
    --image nginx:alpine \
    --target-port 80 \
    --ingress external \
    --query properties.configuration.ingress.fqdn \
    --output tsv)

if [ $? -eq 0 ]; then
    print_status "nginx container deployed successfully"
    print_status "Application URL: https://$NGINX_URL"
    echo ""
    print_warning "Please test the nginx deployment at: https://$NGINX_URL"
    echo ""
else
    print_error "Failed to deploy nginx container"
    exit 1
fi

# Step 4: Ask user if they want to update to PHP app
read -p "Do you want to update to your PHP application? (y/n): " -n 1 -r
echo ""
if [[ $REPLY =~ ^[Yy]$ ]]; then
    # Get Docker Hub username
    read -p "Enter your Docker Hub username: " DOCKER_USERNAME
    
    # Update to PHP application
    print_status "Updating to PHP application..."
    PHP_URL=$(az containerapp update \
        --name $APP_NAME \
        --resource-group $RESOURCE_GROUP \
        --image $DOCKER_USERNAME/php-simple-app:latest \
        --query properties.configuration.ingress.fqdn \
        --output tsv)
    
    if [ $? -eq 0 ]; then
        print_status "PHP application deployed successfully"
        print_status "Application URL: https://$PHP_URL"
    else
        print_error "Failed to update to PHP application"
        print_warning "Container might not exist on Docker Hub. Please push it first:"
        echo "  docker push $DOCKER_USERNAME/php-simple-app:latest"
    fi
fi

# Step 5: Display summary
echo ""
echo "========================================="
echo "Deployment Summary"
echo "========================================="
echo "Resource Group: $RESOURCE_GROUP"
echo "Location: $LOCATION"
echo "Environment: $ENVIRONMENT"
echo "App Name: $APP_NAME"
echo "App URL: https://$NGINX_URL"
echo "========================================="

# Step 6: Cleanup option
echo ""
read -p "Do you want to delete all resources? (y/n): " -n 1 -r
echo ""
if [[ $REPLY =~ ^[Yy]$ ]]; then
    print_warning "Deleting all resources..."
    az group delete \
        --name $RESOURCE_GROUP \
        --yes \
        --no-wait
    print_status "Resource deletion initiated (running in background)"
else
    print_status "Resources kept. To delete later, run:"
    echo "  az group delete --name $RESOURCE_GROUP --yes"
fi

print_status "Script completed!"

# Make it executable
chmod +x provision-container-app.sh

# Run the script
./provision-container-app.sh

# Set variables
RESOURCE_GROUP="container-apps-demo-rg"
LOCATION="northeurope"
ENVIRONMENT="container-apps-env"
APP_NAME="php-demo-app"

# Create resource group
az group create --name $RESOURCE_GROUP --location $LOCATION

# Create environment
az containerapp env create \
    --name $ENVIRONMENT \
    --resource-group $RESOURCE_GROUP \
    --location $LOCATION

# Deploy nginx first
az containerapp create \
    --name $APP_NAME \
    --resource-group $RESOURCE_GROUP \
    --environment $ENVIRONMENT \
    --image nginx:alpine \
    --target-port 80 \
    --ingress external

# Get the URL
az containerapp show \
    --name $APP_NAME \
    --resource-group $RESOURCE_GROUP \
    --query properties.configuration.ingress.fqdn \
    --output tsv

# Update to your PHP app
az containerapp update \
    --name $APP_NAME \
    --resource-group $RESOURCE_GROUP \
    --image yourusername/php-simple-app:latest

# View logs
az containerapp logs show \
    --name php-demo-app \
    --resource-group container-apps-demo-rg \
    --follow

# View recent logs
az containerapp logs show \
    --name php-demo-app \
    --resource-group container-apps-demo-rg \
    --tail 100

az containerapp show \
    --name php-demo-app \
    --resource-group container-apps-demo-rg \
    --query properties.configuration.ingress.fqdn \
    --output tsv

APP_URL=$(az containerapp show -n php-demo-app -g container-apps-demo-rg --query properties.configuration.ingress.fqdn -o tsv)
curl https://$APP_URL

# Delete everything
az group delete --name container-apps-demo-rg --yes --no-wait

# For private registries, configure credentials
az containerapp registry set \
    --name php-demo-app \
    --resource-group container-apps-demo-rg \
    --server docker.io \
    --username your-docker-username \
    --password your-docker-password