How do you use secrets in GitHub Actions?

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You can use Secrets in GitHub Actions to securely store sensitive data like: API keysDatabase passwordsAccess tokensSSH keysDeployment credentials 1. Add a Secret in GitHub Go to your repository: GitHub Repository Settings Then: Open SettingsClick Secrets and variables → ActionsClick New repository secret Add: Name → API_KEYSecret → your actual key 2. Use Secret in GitHub Actions Workflow Example .github/workflows/deploy.yml 3. Access Secret in Commands 4. Use Secrets in ASP.NET MVC / .NET Builds In C#: 5. Organization Secrets If multiple repositories need the same secret: Organization SettingsSecrets and variablesActionsCreate organization secret Useful for: Shared deployment tokensCommon API credentialsCI/CD infrastructure keys 6. Important Security Rules Never hardcode secrets in codeNever print secrets in logsRotate secrets regularlyUse least-privilege access tokensPrefer short-lived tokens when possible 7. Example: Deploy to Server via SSH 8. GitHub Encrypted Secrets vs Variables Feature Secrets Variables Encrypted Yes No Sensitive data Yes No Visible in logs Masked Visible Best for Passwords, tokens App config Official Documentation GitHub Actions Secrets Documentation GitHub Actions Documentation

Feature	Secrets	Variables
Encrypted	Yes	No
Sensitive data	Yes	No
Visible in logs	Masked	Visible
Best for	Passwords, tokens	App config

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How do you use secrets in GitHub Actions?

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1. Add a Secret in GitHub

2. Use Secret in GitHub Actions Workflow

3. Access Secret in Commands

4. Use Secrets in ASP.NET MVC / .NET Builds

5. Organization Secrets

6. Important Security Rules

7. Example: Deploy to Server via SSH

8. GitHub Encrypted Secrets vs Variables

Official Documentation