docs(fix variables): tags are not required

README.md

@@ -1,7 +1,10 @@
 # aws_network_terraform
 
-Terraform module to provision a vpc with public and private subnets for each AZ.
-Provision a internet gateway for public subnets and a NAT gateway for private subnets.
+Terraform module to provision a vpc with public and private subnets for each AZ.  
+Provision a internet gateway for public subnets and a NAT gateway for private subnets.  
+Subnets are tagged with key "Tier" and value "public" or "private".  
+To launch instances use: [aws_servers_module](https://coincoingit.fr/flavien/aws_servers_terraform)
+
 <!-- BEGIN_TF_DOCS -->
 ## Requirements
 
@@ -37,18 +40,18 @@ No modules.
 
 | Name | Description | Type | Default | Required |
 |------|-------------|------|---------|:--------:|
-| <a name="input_env"></a> [env](#input\_env) | environment of the deployment | `string` | n/a | yes |
-| <a name="input_tags"></a> [tags](#input\_tags) | general tags to apply to all the resources | `map(string)` | n/a | yes |
-| <a name="input_vpc_cidr"></a> [vpc\_cidr](#input\_vpc\_cidr) | cidr block of the VPC | `string` | `"10.0.0.0/16"` | no |
+| <a name="input_env"></a> [env](#input\_env) | Environment of the deployment | `string` | n/a | yes |
+| <a name="input_tags"></a> [tags](#input\_tags) | General tags to apply to all the resources | `map(string)` | `{}` | no |
+| <a name="input_vpc_cidr"></a> [vpc\_cidr](#input\_vpc\_cidr) | Cidr block of the VPC | `string` | `"10.0.0.0/16"` | no |
 
 ## Outputs
 
 | Name | Description |
 |------|-------------|
-| <a name="output_private_subnets_cidrs"></a> [private\_subnets\_cidrs](#output\_private\_subnets\_cidrs) | cidr block of the created private subnets |
-| <a name="output_private_subnets_ids"></a> [private\_subnets\_ids](#output\_private\_subnets\_ids) | ids of the created private subnets |
-| <a name="output_public_subnets_cidrs"></a> [public\_subnets\_cidrs](#output\_public\_subnets\_cidrs) | cidr blocks of the created public subnets |
-| <a name="output_public_subnets_ids"></a> [public\_subnets\_ids](#output\_public\_subnets\_ids) | ids of the created public subnets |
-| <a name="output_vpc_cidr"></a> [vpc\_cidr](#output\_vpc\_cidr) | cidr blocks of the created VPC |
-| <a name="output_vpc_id"></a> [vpc\_id](#output\_vpc\_id) | id of the created VPC |
+| <a name="output_private_subnets_cidrs"></a> [private\_subnets\_cidrs](#output\_private\_subnets\_cidrs) | Cidr block of the created private subnets |
+| <a name="output_private_subnets_ids"></a> [private\_subnets\_ids](#output\_private\_subnets\_ids) | Ids of the created private subnets |
+| <a name="output_public_subnets_cidrs"></a> [public\_subnets\_cidrs](#output\_public\_subnets\_cidrs) | Cidr blocks of the created public subnets |
+| <a name="output_public_subnets_ids"></a> [public\_subnets\_ids](#output\_public\_subnets\_ids) | Ids of the created public subnets |
+| <a name="output_vpc_cidr"></a> [vpc\_cidr](#output\_vpc\_cidr) | Cidr blocks of the created VPC |
+| <a name="output_vpc_id"></a> [vpc\_id](#output\_vpc\_id) | Id of the created VPC |
 <!-- END_TF_DOCS -->

outputs.tf

@@ -1,29 +1,29 @@
 output "vpc_id" {
   value       = aws_vpc.main.id
-  description = "id of the created VPC"
+  description = "Id of the created VPC"
 }
 
 output "vpc_cidr" {
   value       = aws_vpc.main.cidr_block
-  description = "cidr blocks of the created VPC"
+  description = "Cidr blocks of the created VPC"
 }
 
 output "public_subnets_ids" {
   value       = aws_subnet.public_subnets[*].id
-  description = "ids of the created public subnets"
+  description = "Ids of the created public subnets"
 }
 
 output "public_subnets_cidrs" {
   value       = aws_subnet.public_subnets[*].cidr_block
-  description = "cidr blocks of the created public subnets"
+  description = "Cidr blocks of the created public subnets"
 }
 
 output "private_subnets_ids" {
   value       = aws_subnet.private_subnets[*].id
-  description = "ids of the created private subnets"
+  description = "Ids of the created private subnets"
 }
 
 output "private_subnets_cidrs" {
   value       = aws_subnet.private_subnets[*].cidr_block
-  description = "cidr block of the created private subnets"
+  description = "Cidr block of the created private subnets"
 }

variables.tf

@@ -1,15 +1,16 @@
 variable "env" {
   type        = string
-  description = "environment of the deployment"
+  description = "Environment of the deployment"
 }
 
 variable "vpc_cidr" {
   type        = string
   default     = "10.0.0.0/16"
-  description = "cidr block of the VPC"
+  description = "Cidr block of the VPC"
 }
 
 variable "tags" {
-  description = "general tags to apply to all the resources"
   type        = map(string)
+  default     = {}
+  description = "General tags to apply to all the resources"
 }