Merge pull request 'ssh_key' (#7) from mitch into develop

Reviewed-on: https://gitea.mitchecp.com/gitea/test/pulls/7

.woodpecker.yml

@@ -17,11 +17,13 @@ steps:
 
     environment:
       SSH_KEY:
-        from_secret: mitchecp
+        from_secret: MITCHECP
 
     commands:
       - apk add --no-cache openssh-client
       - mkdir -p ~/.ssh
+      - echo "$SSH_KEY" > ~/.ssh/id_rsa
+      - chmod 600 ~/.ssh/id_rsa
       - ssh-keyscan www.mitchecp.com >> ~/.ssh/known_hosts
       - ssh ec2-user@www.mitchecp.com "cd /home/ec2-user && touch aaa.txt"
     when: