a-patel

/* Example-1 */
// Without null coalescing assignment operator
string name = null;
if (name == null)
{
    name = "Unknown";
}

// With null coalescing assignment operator
string name ??= "Unknown";

a-patel

/* Example-1 */
// Without null conditional or safe navigation operator
string name;
int? length;
if (name != null)
{
    length = name.Length;
}
else
{

a-patel

/* Example-1 */
// Without null forgiving or null suppression operator
string name = null;  // WARNING


// With null forgiving or null suppression operator
string name = null!;  // NO WARNING

a-patel

/* Example-1 */
// Without ternary conditional operator
int age = 25;
string type;
if (age >= 18)
{
    type = "Adult";
}
else
{

a-patel

/* Example-1 */
// Without null coalescing operator
string name = GetUserName();
if (name == null)
{
    name = "Unknown";
}

// With null coalescing operator
string name = GetUserName() ?? "Unknown";

a-patel

apiVersion: v1
kind: Pod
metadata:
  labels:
    app: myapp
  name: myapp
spec:
  containers:
  - name: myapp
    image: k8s.gcr.io/myapp

a-patel

-- PROJECT-DIRECTORY/
   -- modules/
      -- <service1-name>/
         -- main.tf
         -- variables.tf
         -- outputs.tf
         -- provider.tf
         -- README
      -- <service2-name>/
         -- main.tf

a-patel

# Source: https://gist.github.com/bc1188d2a4b8d5295890e9c5438b9ce4

#################################
# 10 Must-Have Kubernetes Tools #
# https://youtu.be/CB79eTFbR0w  #
#################################

# Additional Info:
# - How To Replace Docker With nerdctl And Rancher Desktop: https://youtu.be/evWPib0iNgY
# - k9s Kubernetes UI - A Terminal-Based Vim-Like Kubernetes Dashboard: https://youtu.be/boaW9odvRCc

a-patel

# initialize terraform configuration
terraform init

# validate terraform configuration
terraform validate

# create terraform plan
terraform plan -out state.tfplan

# apply terraform plan

a-patel

output "cluster_name" {
  value = aws_eks_cluster.this.name
}

output "cluster_endpoint" {
  value = aws_eks_cluster.this.endpoint
}

output "cluster_ca_certificate" {
  value = aws_eks_cluster.this.certificate_authority[0].data