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https://github.com/cloudposse/terraform-aws-nlb
Terraform module to provision a standard NLB for TCP/UDP/TLS traffic https://cloudposse.com/accelerate
https://github.com/cloudposse/terraform-aws-nlb
Last synced: 5 days ago
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Terraform module to provision a standard NLB for TCP/UDP/TLS traffic https://cloudposse.com/accelerate
- Host: GitHub
- URL: https://github.com/cloudposse/terraform-aws-nlb
- Owner: cloudposse
- License: apache-2.0
- Created: 2020-01-02T21:11:34.000Z (almost 5 years ago)
- Default Branch: main
- Last Pushed: 2024-09-19T03:10:58.000Z (about 2 months ago)
- Last Synced: 2024-09-29T03:05:20.966Z (about 2 months ago)
- Language: HCL
- Homepage: https://cloudposse.com/accelerate
- Size: 2.08 MB
- Stars: 24
- Watchers: 15
- Forks: 36
- Open Issues: 18
-
Metadata Files:
- Readme: README.md
- License: LICENSE
- Codeowners: .github/CODEOWNERS
Awesome Lists containing this project
- awesome-starts - cloudposse/terraform-aws-nlb - Terraform module to provision a standard NLB for TCP/UDP/TLS traffic https://cloudposse.com/accelerate (others)
README
Terraform module to create an NLB and a default NLB target and related security groups.
> [!TIP]
> #### 👽 Use Atmos with Terraform
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> Works with [Github Actions](https://atmos.tools/integrations/github-actions/), [Atlantis](https://atmos.tools/integrations/atlantis), or [Spacelift](https://atmos.tools/integrations/spacelift).
>
>
> Watch demo of using Atmos with Terraform
> 
> Example of running atmos to manage infrastructure from our Quick Start tutorial.
>
## Usage
For a complete example, see [examples/complete](examples/complete).
For automated test of the complete example using `bats` and `Terratest`, see [test](test).
```hcl
provider "aws" {
region = var.region
}
module "vpc" {
source = "cloudposse/vpc/aws"
# Cloud Posse recommends pinning every module to a specific version
# version = "x.x.x"
cidr_block = var.vpc_cidr_block
context = module.this.context
namespace = "eg"
}
module "subnets" {
source = "cloudposse/dynamic-subnets/aws"
# Cloud Posse recommends pinning every module to a specific version
# version = "x.x.x"
availability_zones = var.availability_zones
vpc_id = module.vpc.vpc_id
igw_id = module.vpc.igw_id
cidr_block = module.vpc.vpc_cidr_block
nat_gateway_enabled = false
nat_instance_enabled = false
context = module.this.context
namespace = "eg"
}
module "nlb" {
source = "cloudposse/nlb/aws"
# Cloud Posse recommends pinning every module to a specific version
# version = "x.x.x"
vpc_id = module.vpc.vpc_id
subnet_ids = module.subnets.public_subnet_ids
internal = var.internal
tcp_enabled = var.tcp_enabled
access_logs_enabled = var.access_logs_enabled
nlb_access_logs_s3_bucket_force_destroy = var.nlb_access_logs_s3_bucket_force_destroy
nlb_access_logs_s3_bucket_force_destroy_enabled = var.nlb_access_logs_s3_bucket_force_destroy_enabled
cross_zone_load_balancing_enabled = var.cross_zone_load_balancing_enabled
idle_timeout = var.idle_timeout
ip_address_type = var.ip_address_type
deletion_protection_enabled = var.deletion_protection_enabled
deregistration_delay = var.deregistration_delay
health_check_path = var.health_check_path
health_check_timeout = var.health_check_timeout
health_check_threshold = var.health_check_healthy_threshold
health_check_unhealthy_threshold = var.health_check_unhealthy_threshold
health_check_interval = var.health_check_interval
target_group_port = var.target_group_port
target_group_target_type = var.target_group_target_type
context = module.this.context
}
```
> [!IMPORTANT]
> In Cloud Posse's examples, we avoid pinning modules to specific versions to prevent discrepancies between the documentation
> and the latest released versions. However, for your own projects, we strongly advise pinning each module to the exact version
> you're using. This practice ensures the stability of your infrastructure. Additionally, we recommend implementing a systematic
> approach for updating versions to avoid unexpected changes.
## Makefile Targets
```text
Available targets:
help Help screen
help/all Display help for all targets
help/short This help short screen
lint Lint terraform code
```
## Requirements
| Name | Version |
|------|---------|
| [terraform](#requirement\_terraform) | >= 1.0 |
| [aws](#requirement\_aws) | >= 2.0 |
| [local](#requirement\_local) | >= 1.3 |
| [null](#requirement\_null) | >= 2.0 |
| [template](#requirement\_template) | >= 2.0 |
## Providers
| Name | Version |
|------|---------|
| [aws](#provider\_aws) | >= 2.0 |
## Modules
| Name | Source | Version |
|------|--------|---------|
| [access\_logs](#module\_access\_logs) | cloudposse/lb-s3-bucket/aws | 0.16.4 |
| [default\_target\_group\_label](#module\_default\_target\_group\_label) | cloudposse/label/null | 0.25.0 |
| [eip\_label](#module\_eip\_label) | cloudposse/label/null | 0.25.0 |
| [lb\_label](#module\_lb\_label) | cloudposse/label/null | 0.25.0 |
| [this](#module\_this) | cloudposse/label/null | 0.25.0 |
## Resources
| Name | Type |
|------|------|
| [aws_eip.lb](https://registry.terraform.io/providers/hashicorp/aws/latest/docs/resources/eip) | resource |
| [aws_lb.default](https://registry.terraform.io/providers/hashicorp/aws/latest/docs/resources/lb) | resource |
| [aws_lb_listener.default](https://registry.terraform.io/providers/hashicorp/aws/latest/docs/resources/lb_listener) | resource |
| [aws_lb_listener.tls](https://registry.terraform.io/providers/hashicorp/aws/latest/docs/resources/lb_listener) | resource |
| [aws_lb_listener_certificate.https_sni](https://registry.terraform.io/providers/hashicorp/aws/latest/docs/resources/lb_listener_certificate) | resource |
| [aws_lb_target_group.default](https://registry.terraform.io/providers/hashicorp/aws/latest/docs/resources/lb_target_group) | resource |
| [aws_security_group.default](https://registry.terraform.io/providers/hashicorp/aws/latest/docs/resources/security_group) | resource |
| [aws_security_group_rule.default_ingress](https://registry.terraform.io/providers/hashicorp/aws/latest/docs/resources/security_group_rule) | resource |
| [aws_security_group_rule.egress](https://registry.terraform.io/providers/hashicorp/aws/latest/docs/resources/security_group_rule) | resource |
| [aws_security_group_rule.tls_ingress](https://registry.terraform.io/providers/hashicorp/aws/latest/docs/resources/security_group_rule) | resource |
## Inputs
| Name | Description | Type | Default | Required |
|------|-------------|------|---------|:--------:|
| [access\_logs\_enabled](#input\_access\_logs\_enabled) | A boolean flag to enable/disable access\_logs | `bool` | `true` | no |
| [access\_logs\_prefix](#input\_access\_logs\_prefix) | The S3 log bucket prefix | `string` | `""` | no |
| [access\_logs\_s3\_bucket\_id](#input\_access\_logs\_s3\_bucket\_id) | An external S3 Bucket name to store access logs in. If specified, no logging bucket will be created. | `string` | `null` | no |
| [additional\_certs](#input\_additional\_certs) | A list of additonal certs to add to the https listerner | `list(string)` | `[]` | no |
| [additional\_tag\_map](#input\_additional\_tag\_map) | Additional key-value pairs to add to each map in `tags_as_list_of_maps`. Not added to `tags` or `id`.
This is for some rare cases where resources want additional configuration of tags
and therefore take a list of maps with tag key, value, and additional configuration. | `map(string)` | `{}` | no |
| [allow\_ssl\_requests\_only](#input\_allow\_ssl\_requests\_only) | Set to true to require requests to use Secure Socket Layer (HTTPS/SSL) on the access logs S3 bucket. This will explicitly deny access to HTTP requests | `bool` | `false` | no |
| [attributes](#input\_attributes) | ID element. Additional attributes (e.g. `workers` or `cluster`) to add to `id`,
in the order they appear in the list. New attributes are appended to the
end of the list. The elements of the list are joined by the `delimiter`
and treated as a single ID element. | `list(string)` | `[]` | no |
| [certificate\_arn](#input\_certificate\_arn) | The ARN of the default SSL certificate for HTTPS listener | `string` | `""` | no |
| [context](#input\_context) | Single object for setting entire context at once.
See description of individual variables for details.
Leave string and numeric variables as `null` to use default value.
Individual variable settings (non-null) override settings in context object,
except for attributes, tags, and additional\_tag\_map, which are merged. | `any` |
{
"additional_tag_map": {},
"attributes": [],
"delimiter": null,
"descriptor_formats": {},
"enabled": true,
"environment": null,
"id_length_limit": null,
"label_key_case": null,
"label_order": [],
"label_value_case": null,
"labels_as_tags": [
"unset"
],
"name": null,
"namespace": null,
"regex_replace_chars": null,
"stage": null,
"tags": {},
"tenant": null
} | no |
| [cross\_zone\_load\_balancing\_enabled](#input\_cross\_zone\_load\_balancing\_enabled) | A boolean flag to enable/disable cross zone load balancing | `bool` | `true` | no |
| [default\_listener\_ingress\_cidr\_blocks](#input\_default\_listener\_ingress\_cidr\_blocks) | List of CIDR blocks to allow in TLS security group | `list(string)` | [
"0.0.0.0/0"
]
| no |
| [default\_listener\_ingress\_prefix\_list\_ids](#input\_default\_listener\_ingress\_prefix\_list\_ids) | List of prefix list IDs for allowing access to TLS ingress security group | `list(string)` | `[]` | no |
| [deletion\_protection\_enabled](#input\_deletion\_protection\_enabled) | A boolean flag to enable/disable deletion protection for NLB | `bool` | `false` | no |
| [delimiter](#input\_delimiter) | Delimiter to be used between ID elements.
Defaults to `-` (hyphen). Set to `""` to use no delimiter at all. | `string` | `null` | no |
| [deregistration\_delay](#input\_deregistration\_delay) | The amount of time to wait in seconds before changing the state of a deregistering target to unused | `number` | `15` | no |
| [descriptor\_formats](#input\_descriptor\_formats) | Describe additional descriptors to be output in the `descriptors` output map.
Map of maps. Keys are names of descriptors. Values are maps of the form
`{
format = string
labels = list(string)
}`
(Type is `any` so the map values can later be enhanced to provide additional options.)
`format` is a Terraform format string to be passed to the `format()` function.
`labels` is a list of labels, in order, to pass to `format()` function.
Label values will be normalized before being passed to `format()` so they will be
identical to how they appear in `id`.
Default is `{}` (`descriptors` output will be empty). | `any` | `{}` | no |
| [eip\_additional\_tags](#input\_eip\_additional\_tags) | The additional tags to apply to the generated eip | `map(string)` | `{}` | no |
| [eip\_allocation\_ids](#input\_eip\_allocation\_ids) | Allocation ID for EIP for subnets.
The length of the list must correspond to the number of defined subnents.
If the `subnet_mapping_enabled` variable is not defined and enabled `subnet_mapping_enabled`, EIPs will be created | `list(string)` | `[]` | no |
| [enable\_glacier\_transition](#input\_enable\_glacier\_transition) | (Deprecated, use `lifecycle_configuration_rules` instead)
Enables the transition to AWS Glacier which can cause unnecessary costs for huge amount of small files | `bool` | `true` | no |
| [enabled](#input\_enabled) | Set to false to prevent the module from creating any resources | `bool` | `null` | no |
| [enforce\_security\_group\_inbound\_rules\_on\_private\_link\_traffic](#input\_enforce\_security\_group\_inbound\_rules\_on\_private\_link\_traffic) | Indicates whether inbound security group rules are enforced for traffic originating from a PrivateLink. Only valid for Load Balancers of type network. The possible values are on and off. | `string` | `null` | no |
| [environment](#input\_environment) | ID element. Usually used for region e.g. 'uw2', 'us-west-2', OR role 'prod', 'staging', 'dev', 'UAT' | `string` | `null` | no |
| [expiration\_days](#input\_expiration\_days) | (Deprecated, use `lifecycle_configuration_rules` instead)
Number of days after which to expunge the objects | `number` | `90` | no |
| [glacier\_transition\_days](#input\_glacier\_transition\_days) | (Deprecated, use `lifecycle_configuration_rules` instead)
Number of days after which to move the data to the Glacier Flexible Retrieval storage tier | `number` | `60` | no |
| [health\_check\_enabled](#input\_health\_check\_enabled) | A boolean flag to enable/disable the NLB health checks | `bool` | `true` | no |
| [health\_check\_interval](#input\_health\_check\_interval) | The duration in seconds in between health checks | `number` | `10` | no |
| [health\_check\_path](#input\_health\_check\_path) | The destination for the health check request | `string` | `"/"` | no |
| [health\_check\_port](#input\_health\_check\_port) | The port to send the health check request to (defaults to `traffic-port`) | `number` | `null` | no |
| [health\_check\_protocol](#input\_health\_check\_protocol) | The protocol to use for the health check request | `string` | `null` | no |
| [health\_check\_threshold](#input\_health\_check\_threshold) | The number of consecutive health checks successes required before considering an unhealthy target healthy. | `number` | `2` | no |
| [health\_check\_timeout](#input\_health\_check\_timeout) | The amount of time, in seconds, during which no response means a failed health check | `number` | `null` | no |
| [health\_check\_unhealthy\_threshold](#input\_health\_check\_unhealthy\_threshold) | The number of consecutive health check failures required before considering the target unhealthy. If not set using value from `health_check_threshold` | `number` | `null` | no |
| [id\_length\_limit](#input\_id\_length\_limit) | Limit `id` to this many characters (minimum 6).
Set to `0` for unlimited length.
Set to `null` for keep the existing setting, which defaults to `0`.
Does not affect `id_full`. | `number` | `null` | no |
| [internal](#input\_internal) | A boolean flag to determine whether the NLB should be internal | `bool` | `false` | no |
| [ip\_address\_type](#input\_ip\_address\_type) | The type of IP addresses used by the subnets for your load balancer. The possible values are `ipv4` and `dualstack`. | `string` | `"ipv4"` | no |
| [label\_key\_case](#input\_label\_key\_case) | Controls the letter case of the `tags` keys (label names) for tags generated by this module.
Does not affect keys of tags passed in via the `tags` input.
Possible values: `lower`, `title`, `upper`.
Default value: `title`. | `string` | `null` | no |
| [label\_order](#input\_label\_order) | The order in which the labels (ID elements) appear in the `id`.
Defaults to ["namespace", "environment", "stage", "name", "attributes"].
You can omit any of the 6 labels ("tenant" is the 6th), but at least one must be present. | `list(string)` | `null` | no |
| [label\_value\_case](#input\_label\_value\_case) | Controls the letter case of ID elements (labels) as included in `id`,
set as tag values, and output by this module individually.
Does not affect values of tags passed in via the `tags` input.
Possible values: `lower`, `title`, `upper` and `none` (no transformation).
Set this to `title` and set `delimiter` to `""` to yield Pascal Case IDs.
Default value: `lower`. | `string` | `null` | no |
| [labels\_as\_tags](#input\_labels\_as\_tags) | Set of labels (ID elements) to include as tags in the `tags` output.
Default is to include all labels.
Tags with empty values will not be included in the `tags` output.
Set to `[]` to suppress all generated tags.
**Notes:**
The value of the `name` tag, if included, will be the `id`, not the `name`.
Unlike other `null-label` inputs, the initial setting of `labels_as_tags` cannot be
changed in later chained modules. Attempts to change it will be silently ignored. | `set(string)` | [
"default"
]
| no |
| [lifecycle\_configuration\_rules](#input\_lifecycle\_configuration\_rules) | A list of S3 bucket v2 lifecycle rules, as specified in [terraform-aws-s3-bucket](https://github.com/cloudposse/terraform-aws-s3-bucket)"
These rules are not affected by the deprecated `lifecycle_rule_enabled` flag.
**NOTE:** Unless you also set `lifecycle_rule_enabled = false` you will also get the default deprecated rules set on your bucket. | list(object({
enabled = bool
id = string
abort_incomplete_multipart_upload_days = number
# `filter_and` is the `and` configuration block inside the `filter` configuration.
# This is the only place you should specify a prefix.
filter_and = any
expiration = any
transition = list(any)
noncurrent_version_expiration = any
noncurrent_version_transition = list(any)
})) | `[]` | no |
| [lifecycle\_rule\_enabled](#input\_lifecycle\_rule\_enabled) | DEPRECATED: Defaults to `false`, use `lifecycle_configuration_rules` instead.
When `true`, configures lifecycle events on this bucket using individual (now deprecated) variables." | `bool` | `false` | no |
| [name](#input\_name) | ID element. Usually the component or solution name, e.g. 'app' or 'jenkins'.
This is the only ID element not also included as a `tag`.
The "name" tag is set to the full `id` string. There is no tag with the value of the `name` input. | `string` | `null` | no |
| [namespace](#input\_namespace) | ID element. Usually an abbreviation of your organization name, e.g. 'eg' or 'cp', to help ensure generated IDs are globally unique | `string` | `null` | no |
| [nlb\_access\_logs\_s3\_bucket\_force\_destroy](#input\_nlb\_access\_logs\_s3\_bucket\_force\_destroy) | A boolean that indicates all objects should be deleted from the NLB access logs S3 bucket so that the bucket can be destroyed without error | `bool` | `false` | no |
| [noncurrent\_version\_expiration\_days](#input\_noncurrent\_version\_expiration\_days) | (Deprecated, use `lifecycle_configuration_rules` instead)
Specifies when non-current object versions expire (in days) | `number` | `90` | no |
| [noncurrent\_version\_transition\_days](#input\_noncurrent\_version\_transition\_days) | (Deprecated, use `lifecycle_configuration_rules` instead)
Specifies (in days) when noncurrent object versions transition to Glacier Flexible Retrieval | `number` | `30` | no |
| [regex\_replace\_chars](#input\_regex\_replace\_chars) | Terraform regular expression (regex) string.
Characters matching the regex will be removed from the ID elements.
If not set, `"/[^a-zA-Z0-9-]/"` is used to remove all characters other than hyphens, letters and digits. | `string` | `null` | no |
| [security\_group\_enabled](#input\_security\_group\_enabled) | Enables the security group | `bool` | `false` | no |
| [security\_group\_ids](#input\_security\_group\_ids) | A list of additional security group IDs to allow access to NLB | `list(string)` | `[]` | no |
| [slow\_start](#input\_slow\_start) | Amount time for targets to warm up before the load balancer sends them a full share of requests. The range is 30-900 seconds or 0 to disable. | `number` | `0` | no |
| [stage](#input\_stage) | ID element. Usually used to indicate role, e.g. 'prod', 'staging', 'source', 'build', 'test', 'deploy', 'release' | `string` | `null` | no |
| [standard\_transition\_days](#input\_standard\_transition\_days) | (Deprecated, use `lifecycle_configuration_rules` instead)
Number of days to persist in the standard storage tier before moving to the infrequent access tier | `number` | `30` | no |
| [subnet\_ids](#input\_subnet\_ids) | A list of subnet IDs to associate with NLB | `list(string)` | n/a | yes |
| [subnet\_mapping\_enabled](#input\_subnet\_mapping\_enabled) | Enable generate EIP for defined subnet ids | `bool` | `false` | no |
| [tags](#input\_tags) | Additional tags (e.g. `{'BusinessUnit': 'XYZ'}`).
Neither the tag keys nor the tag values will be modified by this module. | `map(string)` | `{}` | no |
| [target\_group\_additional\_tags](#input\_target\_group\_additional\_tags) | The additional tags to apply to the default target group | `map(string)` | `{}` | no |
| [target\_group\_enabled](#input\_target\_group\_enabled) | Whether or not to create the default target group and listener | `bool` | `true` | no |
| [target\_group\_ip\_address\_type](#input\_target\_group\_ip\_address\_type) | The type of IP addresses used by the target group. The possible values are `ipv4` and `ipv6`. | `string` | `"ipv4"` | no |
| [target\_group\_name](#input\_target\_group\_name) | The name for the default target group, uses a module label name if left empty | `string` | `""` | no |
| [target\_group\_port](#input\_target\_group\_port) | The port for the default target group | `number` | `80` | no |
| [target\_group\_preserve\_client\_ip](#input\_target\_group\_preserve\_client\_ip) | A boolean flag to enable/disable client IP preservation. | `bool` | `false` | no |
| [target\_group\_proxy\_protocol\_v2](#input\_target\_group\_proxy\_protocol\_v2) | A boolean flag to enable/disable proxy protocol v2 support | `bool` | `false` | no |
| [target\_group\_target\_type](#input\_target\_group\_target\_type) | The type (`instance`, `ip` or `lambda`) of targets that can be registered with the default target group | `string` | `"ip"` | no |
| [tcp\_enabled](#input\_tcp\_enabled) | A boolean flag to enable/disable TCP listener | `bool` | `true` | no |
| [tcp\_port](#input\_tcp\_port) | The port for the TCP listener | `number` | `80` | no |
| [tenant](#input\_tenant) | ID element \_(Rarely used, not included by default)\_. A customer identifier, indicating who this instance of a resource is for | `string` | `null` | no |
| [tls\_enabled](#input\_tls\_enabled) | A boolean flag to enable/disable TLS listener | `bool` | `false` | no |
| [tls\_ingress\_cidr\_blocks](#input\_tls\_ingress\_cidr\_blocks) | List of CIDR blocks to allow in TLS security group | `list(string)` | [
"0.0.0.0/0"
]
| no |
| [tls\_ingress\_prefix\_list\_ids](#input\_tls\_ingress\_prefix\_list\_ids) | List of prefix list IDs for allowing access to TLS ingress security group | `list(string)` | `[]` | no |
| [tls\_port](#input\_tls\_port) | The port for the TLS listener | `number` | `443` | no |
| [tls\_ssl\_policy](#input\_tls\_ssl\_policy) | The name of the SSL Policy for the listener | `string` | `"ELBSecurityPolicy-2016-08"` | no |
| [udp\_enabled](#input\_udp\_enabled) | A boolean flag to enable/disable UDP listener | `bool` | `false` | no |
| [udp\_port](#input\_udp\_port) | The port for the UDP listener | `number` | `53` | no |
| [vpc\_id](#input\_vpc\_id) | VPC ID to associate with NLB | `string` | n/a | yes |
## Outputs
| Name | Description |
|------|-------------|
| [access\_logs\_bucket\_id](#output\_access\_logs\_bucket\_id) | The S3 bucket ID for access logs |
| [default\_listener\_arn](#output\_default\_listener\_arn) | The ARN of the default listener |
| [default\_target\_group\_arn](#output\_default\_target\_group\_arn) | The default target group ARN |
| [listener\_arns](#output\_listener\_arns) | A list of all the listener ARNs |
| [nlb\_arn](#output\_nlb\_arn) | The ARN of the NLB |
| [nlb\_arn\_suffix](#output\_nlb\_arn\_suffix) | The ARN suffix of the NLB |
| [nlb\_dns\_name](#output\_nlb\_dns\_name) | DNS name of NLB |
| [nlb\_name](#output\_nlb\_name) | The ARN suffix of the NLB |
| [nlb\_zone\_id](#output\_nlb\_zone\_id) | The ID of the zone which NLB is provisioned |
| [security\_group\_id](#output\_security\_group\_id) | The security group ID of the NLB |
| [tls\_listener\_arn](#output\_tls\_listener\_arn) | The ARN of the TLS listener |
## Related Projects
Check out these related projects.
- [terraform-aws-alb](https://github.com/cloudposse/terraform-aws-alb) - Terraform module to create an ALB, default ALB listener(s), and a default ALB target and related security groups.
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> - **Troubleshooting.** Access expert assistance to quickly resolve any operational challenges, minimizing downtime and maintaining business continuity.
> - **Code Reviews.** Enhance your team’s code quality with our expert feedback, fostering continuous improvement and collaboration.
> - **Bug Fixes.** Rely on our team to troubleshoot and resolve any issues, ensuring your systems run smoothly.
> - **Migration Assistance.** Accelerate your migration process with our dedicated support, minimizing disruption and speeding up time-to-value.
> - **Customer Workshops.** Engage with our team in weekly workshops, gaining insights and strategies to continuously improve and innovate.
>
>
>
## ✨ Contributing
This project is under active development, and we encourage contributions from our community.
Many thanks to our outstanding contributors:
For 🐛 bug reports & feature requests, please use the [issue tracker](https://github.com/cloudposse/terraform-aws-nlb/issues).
In general, PRs are welcome. We follow the typical "fork-and-pull" Git workflow.
1. Review our [Code of Conduct](https://github.com/cloudposse/terraform-aws-nlb/?tab=coc-ov-file#code-of-conduct) and [Contributor Guidelines](https://github.com/cloudposse/.github/blob/main/CONTRIBUTING.md).
2. **Fork** the repo on GitHub
3. **Clone** the project to your own machine
4. **Commit** changes to your own branch
5. **Push** your work back up to your fork
6. Submit a **Pull Request** so that we can review your changes
**NOTE:** Be sure to merge the latest changes from "upstream" before making a pull request!
### 🌎 Slack Community
Join our [Open Source Community](https://cpco.io/slack?utm_source=github&utm_medium=readme&utm_campaign=cloudposse/terraform-aws-nlb&utm_content=slack) on Slack. It's **FREE** for everyone! Our "SweetOps" community is where you get to talk with others who share a similar vision for how to rollout and manage infrastructure. This is the best place to talk shop, ask questions, solicit feedback, and work together as a community to build totally *sweet* infrastructure.
### 📰 Newsletter
Sign up for [our newsletter](https://cpco.io/newsletter?utm_source=github&utm_medium=readme&utm_campaign=cloudposse/terraform-aws-nlb&utm_content=newsletter) and join 3,000+ DevOps engineers, CTOs, and founders who get insider access to the latest DevOps trends, so you can always stay in the know.
Dropped straight into your Inbox every week — and usually a 5-minute read.
### 📆 Office Hours 
[Join us every Wednesday via Zoom](https://cloudposse.com/office-hours?utm_source=github&utm_medium=readme&utm_campaign=cloudposse/terraform-aws-nlb&utm_content=office_hours) for your weekly dose of insider DevOps trends, AWS news and Terraform insights, all sourced from our SweetOps community, plus a _live Q&A_ that you can’t find anywhere else.
It's **FREE** for everyone!
## License
Preamble to the Apache License, Version 2.0
Complete license is available in the [`LICENSE`](LICENSE) file.
```text
Licensed to the Apache Software Foundation (ASF) under one
or more contributor license agreements. See the NOTICE file
distributed with this work for additional information
regarding copyright ownership. The ASF licenses this file
to you under the Apache License, Version 2.0 (the
"License"); you may not use this file except in compliance
with the License. You may obtain a copy of the License at
https://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing,
software distributed under the License is distributed on an
"AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
KIND, either express or implied. See the License for the
specific language governing permissions and limitations
under the License.
```
## Trademarks
All other trademarks referenced herein are the property of their respective owners.
---
Copyright © 2017-2024 [Cloud Posse, LLC](https://cpco.io/copyright)
