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Update README.md (#10710)

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# Packer
[![Build Status][circleci-badge]][circleci]
[![Windows Build Status][appveyor-badge]][appveyor]
[![Discuss](https://img.shields.io/badge/discuss-packer-3d89ff?style=flat)](https://discuss.hashicorp.com/c/packer)
[![PkgGoDev](https://pkg.go.dev/badge/github.com/hashicorp/packer)](https://pkg.go.dev/github.com/hashicorp/packer)
[![GoReportCard][report-badge]][report]
[![codecov](https://codecov.io/gh/hashicorp/packer/branch/master/graph/badge.svg)](https://codecov.io/gh/hashicorp/packer)
@ -9,15 +9,16 @@
[circleci-badge]: https://circleci.com/gh/hashicorp/packer.svg?style=svg
[circleci]: https://app.circleci.com/pipelines/github/hashicorp/packer
[appveyor-badge]: https://ci.appveyor.com/api/projects/status/miavlgnp989e5obc/branch/master?svg=true
[appveyor]: https://ci.appveyor.com/project/hashicorp/packer
[godoc-badge]: https://godoc.org/github.com/hashicorp/packer?status.svg
[godoc]: https://godoc.org/github.com/hashicorp/packer
[report-badge]: https://goreportcard.com/badge/github.com/hashicorp/packer
[godoc]: https://godoc.org/github.com/hashicorp/packer
[report-badge]: https://goreportcard.com/badge/github.com/hashicorp/packer
[report]: https://goreportcard.com/report/github.com/hashicorp/packer
* Website: https://www.packer.io
* IRC: `#packer-tool` on Freenode
* Mailing list: [Google Groups](https://groups.google.com/forum/#!forum/packer-tool)
<p align="center" style="text-align:center;">
<a href="https://www.packer.io">
<img alt="HashiCorp Packer logo" src="website/public/img/logo-hashicorp.svg" width="500" />
</a>
</p>
Packer is a tool for building identical machine images for multiple platforms
from a single source configuration.
@ -47,33 +48,43 @@ yourself](https://github.com/hashicorp/packer/blob/master/.github/CONTRIBUTING.m
After Packer is installed, create your first template, which tells Packer
what platforms to build images for and how you want to build them. In our
case, we'll create a simple AMI that has Redis pre-installed. Save this
file as `quick-start.json`. Export your AWS credentials as the
case, we'll create a simple AMI that has Redis pre-installed.
Save this file as `quick-start.pkr.hcl`. Export your AWS credentials as the
`AWS_ACCESS_KEY_ID` and `AWS_SECRET_ACCESS_KEY` environment variables.
```json
{
"variables": {
"access_key": "{{env `AWS_ACCESS_KEY_ID`}}",
"secret_key": "{{env `AWS_SECRET_ACCESS_KEY`}}"
},
"builders": [{
"type": "amazon-ebs",
"access_key": "{{user `access_key`}}",
"secret_key": "{{user `secret_key`}}",
"region": "us-east-1",
"source_ami": "ami-af22d9b9",
"instance_type": "t2.micro",
"ssh_username": "ubuntu",
"ami_name": "packer-example {{timestamp}}"
}]
```hcl
variable "access_key" {
type = string
default = "${env("AWS_ACCESS_KEY_ID")}"
}
variable "secret_key" {
type = string
default = "${env("AWS_SECRET_ACCESS_KEY")}"
}
locals { timestamp = regex_replace(timestamp(), "[- TZ:]", "") }
source "amazon-ebs" "quick-start" {
access_key = "${var.access_key}"
ami_name = "packer-example ${local.timestamp}"
instance_type = "t2.micro"
region = "us-east-1"
secret_key = "${var.secret_key}"
source_ami = "ami-af22d9b9"
ssh_username = "ubuntu"
}
build {
sources = ["source.amazon-ebs.quick-start"]
}
```
Next, tell Packer to build the image:
```
$ packer build quick-start.json
$ packer build quick-start.pkr.hcl
...
```
@ -85,11 +96,9 @@ they're run, etc., is up to you.
## Documentation
Comprehensive documentation is viewable on the Packer website:
Comprehensive documentation is viewable on the Packer website at https://www.packer.io/docs.
https://www.packer.io/docs
## Developing Packer
## Contributing to Packer
See
[CONTRIBUTING.md](https://github.com/hashicorp/packer/blob/master/.github/CONTRIBUTING.md)