- Create "n" nos of clould apps ,Online Apps , Link and Configure
- InfraStructure as Code (IAC)
Pre-Req :
- main.tf - Main File
- dependencies.tf (depends_on) - Pre-Req
- required_providers.tf - Download Interface communicate to target
- providers.tf - Configure required_providers
Declaration :
-
variables.tf - Declare input paramters
-
terraform.auto.tfvars - Pass values to variables.tf
-
locals.tf - Local variables for internal Calculations
-
data.tf - Used to read from File
-
outputs.tf - Print Output
- data : get information from existing resources
- resource : Smallest operation which can be performed
- module : Function Call
Pre-Req: Docker is running locally
# Terraform Interface for Docker
terraform {
required_providers {
docker = { source = "kreuzwerker/docker" }
}
}
# Use Default Config for above docker
provider "docker" {}
# Download nginx Image
resource "docker_image" "nginx" {
name = "nginx"
}
# Define a map of container configurations
locals {
containers = {
c1 = { external_port = 8001 },
c2 = { external_port = 8002 }
}
}
# Create Nginx containers using a map
resource "docker_container" "nginx" {
for_each = local.containers
image = docker_image.nginx.image_id
name = each.key # Unique name for each container
ports {
internal = 80
external = each.value.external_port # Use the external port from the map
}
}
# Outputs
output "container_names" {
value = [for c in docker_container.nginx : c.name]
}
