12.12 update lesson-6.md

Fix GitLab bug with files variables Add Manual approval

Author: JavaScriptonit

Course/lesson-6.md

@@ -81,13 +81,18 @@
 * Add variables to not DUPLICATE the code:
  * `extends: deploy` - to use deploy stage with variables for each stage (dev/staging/prod)
  * use 5 variables:
- * `SSH_PRIVATE_KEY`
+ * `SSH_KEY`
  * `SERVER_HOST`
  * `DEPLOY_ENV`
  * `APP_PORT`
  * `ENDPOINT`
 * Hide extended jobs with "."
  * Also comment with "#"
+* Add Manual approval:
+ * `when: manual` - execute job only after user input
+* Fix GitLab bug with files variables:
+ * ` - echo $SSH_KEY | sed -e "s/-----BEGIN RSA PRIVATE KEY-----/&\n/" -e "s/-----END RSA PRIVATE KEY-----/\n&/" -e "s/\S\{64\}/&\n/g" > deploy-key.pem`
+ * echoing $SSH_KEY variable file and using string concatenation on it to use it's text