ecr-image-signer

This script allows you to sign docker images on ECR with cosign.

Prerequisites

Before you begin, ensure you have the following installed:

• Go programming language: Download Go
• AWS CLI: Install AWS CLI

Installation

To install the required Go packages, run the following commands in your terminal or command prompt:

go get github.com/aws/aws-sdk-go-v2
go get github.com/aws/aws-sdk-go-v2/config
go get github.com/aws/aws-sdk-go-v2/service/ecr

Configuration

Set Registry URL

In your Go code, set the registry URL by replacing REPLACE-REGISTRY-NUMBER.dkr.ecr.eu-central-1.amazonaws.com with your actual AWS ECR registry URL.

registryURL := "REPLACE-REGISTRY-NUMBER.dkr.ecr.eu-central-1.amazonaws.com"

Configure AWS CLI Authentication

Configure AWS CLI authentication using one of the following methods:

Method 1: Using aws configure

Run the following command and provide your AWS access key ID, secret access key, region, and preferred output format when prompted. aws configure

Method 2: Using Environment Variables

Set the following environment variables with your AWS credentials:

• AWS_ACCESS_KEY_ID: Your AWS access key ID.
• AWS_SECRET_ACCESS_KEY: Your AWS secret access key.
• AWS_DEFAULT_REGION: Your preferred AWS region.

Example:

export AWS_ACCESS_KEY_ID=YOUR_ACCESS_KEY_ID`
export AWS_SECRET_ACCESS_KEY=YOUR_SECRET_ACCESS_KEY`
export AWS_DEFAULT_REGION=eu-central-1` 

Usage

go run .

License

This project is licensed under the [License Name] License - see the LICENSE.md file for details.