move Dockerfile to rootfs

Author: Matthew

README.md

@@ -26,7 +26,7 @@ To build a dev release of this image, you will also need your own registry, but
 
 ```bash
 $ make build
-$ docker build -t deis/postgres:v0.0.1
+$ docker build -t deis/postgres:v0.0.1 rootfs
 $ docker push deis/postgres:v0.0.1
 ```
 

Dockerfile rootfs/DockerfileDockerfile renamed to rootfs/Dockerfile

@@ -17,7 +17,7 @@ RUN apt-get update && apt-get install -y \
 RUN mkdir -p /var/cache/postgresql/backups
 RUN chown -R postgres:postgres /var/cache/postgresql/backups
 
-COPY rootfs /
+COPY . /
 
 RUN chown -R postgres:postgres /app