Azure Load Balancer Deploy

example.bicep

// Deploy the internal load balancer module
module internalLoadBalancer './internal-loadbalancer.bicep' = {
  name: 'internalLoadBalancerDeployment'
  params: {
    loadBalancerName: 'twc-internal-lb'
    location: location
    subnetId: virtualNetwork.properties.subnets[0].id
    frontendPrivateIPAddress: '10.0.1.10'
    tags: tags
    
    // Backend address pools with explicit VM IPs
    backendAddressPools: [
      {
        name: 'web-backend-pool'
        loadBalancerBackendAddresses: [
          {
            name: 'vm1-address'
            properties: {
              virtualNetwork: {
                id: virtualNetwork.id
              }
              ipAddress: nic1.properties.ipConfigurations[0].properties.privateIPAddress
            }
          }
          {
            name: 'vm2-address'
            properties: {
              virtualNetwork: {
                id: virtualNetwork.id
              }
              ipAddress: nic2.properties.ipConfigurations[0].properties.privateIPAddress
            }
          }
        ]
      }
    ]
    
    // Health probes
    probes: [
      {
        name: 'http-probe'
        protocol: 'Http'
        port: 80
        requestPath: '/'
        intervalInSeconds: 15
        numberOfProbes: 2
      }
      {
        name: 'https-probe'
        protocol: 'Https'
        port: 443
        requestPath: '/health'
        intervalInSeconds: 20
        numberOfProbes: 3
      }
    ]
    
    // Load balancing rules
    loadBalancingRules: [
      {
        name: 'http-rule'
        protocol: 'Tcp'
        frontendPort: 80
        backendPort: 80
        backendAddressPoolName: 'web-backend-pool'
        probeName: 'http-probe'
        idleTimeoutInMinutes: 5
        enableFloatingIP: false
        loadDistribution: 'Default'
      }
      {
        name: 'https-rule'
        protocol: 'Tcp'
        frontendPort: 443
        backendPort: 443
        backendAddressPoolName: 'web-backend-pool'
        probeName: 'https-probe'
        idleTimeoutInMinutes: 5
        enableFloatingIP: false
        loadDistribution: 'Default'
      }
    ]
  }
}