diff --git a/builder/README.md b/builder/README.md
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+tutum/builder
+=============
+
+A docker image that builds, tests and pushes docker images from code repositories.
+
+## docker-compose.yml
+
+```
+builder:
+  image: tutum/builder
+  command: vimagick/test
+  volumes:
+    - ~/.dockercfg:/.dockercfg:ro
+  environment:
+    - GIT_REPO=https://github.com/vimagick/dockerfiles.git
+    - DOCKERFILE_PATH=/test
+  privileged: true
+```
+
+## build docker image
+
+```
+$ cd ~/fig/builder/
+$ docker login
+$ docker-compose run --rm -e DOCKERFILE_PATH=/tinc builder vimagick/tinc:latest
+$ docker search vimagick/tinc
+```
diff --git a/builder/docker-compose.yml b/builder/docker-compose.yml
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+builder:
+  image: tutum/builder
+  command: vimagick/test
+  volumes:
+    - ~/.dockercfg:/.dockercfg:ro
+  environment:
+    - GIT_REPO=https://github.com/vimagick/dockerfiles.git
+    - DOCKERFILE_PATH=/test
+  privileged: true