Add files

Dockerfile

+FROM alpine:latest
+RUN apk add --no-cache git openssh-keygen openssh-client-default
+

README.md

-# repo_pull_sync_docker_image
+# Docker repo pull syncer
+
+Useful Docker image that can be used in GitLab (Scheduled) Pipelines for pulling remote repositories.
+
+Normally, GitLab Community Edition only offers you to mirror repositories via `push`. This Docker image with yaml file (see below), can be used to enable git `pull` mirror feature for free!
+
+GitLab Pipeline yaml file:
+
+```yml
+TODO
+```
 
-Docker repo syncer image
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