diff --git a/Dockerfile b/Dockerfile
index 13ec7b7..e247f37 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,9 +1,9 @@
 
-FROM quay.io/flozanorht/flamel:0.3-7 as pre-commit
+FROM quay.io/redhattraining/flamel as pre-commit
 
 RUN curl https://pre-commit.com/install-local.py | python - & \
     ln -s /root/bin/pre-commit /usr/bin/pre-commit & \
-    dnf install -y perl ruby
+    dnf install -y perl ruby rubygems
 
 FROM pre-commit
 
diff --git a/README.md b/README.md
index aecbcf9..8ee1a86 100644
--- a/README.md
+++ b/README.md
@@ -1,6 +1,28 @@
-Docker image for running GLS pre-commit hooks.
+# Pre commit image
 
-Usage:
-Just run "pre-commit.sh" or alias it to "pre-commit" in your system.
+Docker image for running GLS pre-commit hooks. You can just run "pre-commit.sh", symlink or alias it to "pre-commit" in your system.
 
-If your SSH configuration or your pre-commit cache is not in the default locations, update the appropriate variables in the "pre-commit.sh" script file as needed.
\ No newline at end of file
+### Installation
+
+Clone this repository:
+
+```sh
+
+git clone git@github.com:jramcast/pre-commit-image.git
+```
+
+Go to `/usr/bin` or any other folder in your PATH and create a symlink to `pre-commit.sh`.
+Change REPO_CLONE_PATH with the actual directory where you cloned the repo:
+
+```sh
+ln -s REPO_CLONE_PATH/pre-commit.sh pre-commit-docker
+````
+
+If your SSH configuration or your pre-commit cache is not in the default locations, update the appropriate variables in the "pre-commit.sh" script file as needed.
+
+To run the script, go to any course root directory and execute `pre-commit-docker`:
+
+```
+cd $COURSE_DIR
+pre-commit-docker
+```
diff --git a/pre-commit.sh b/pre-commit.sh
index 2f10eea..47bb95b 100755
--- a/pre-commit.sh
+++ b/pre-commit.sh
@@ -1,18 +1,24 @@
 #! /bin/sh
 
-image=quay.io/someth2say/pre-commit:0.1.0
+image=pre-commit-docker
 
 book=$(pwd)
 container_book=/tmp/coursebook
 
+this_file=$(python -c "import os; print(os.path.realpath('$BASH_SOURCE'))")
+this_dir=$( cd -P "$( dirname $this_file )" && pwd )
+
 ssh_cfg=~/.ssh
 container_ssh_cfg=/root/.ssh
 
 pcommit_cache=~/.cache/pre-commit
-containe_pcommit_cache=/root/.cache/pre-commit
+container_pcommit_cache=/root/.cache/pre-commit
+
+# Force image rebuild to always grab the latest flamel version
+docker build -t $image $this_dir
 
 docker run \
      -v ${ssh_cfg}:${container_ssh_cfg} \
-     -v ${pcommit_cache}:${containe_pcommit_cache}:z \
+     -v ${pcommit_cache}:${container_pcommit_cache}:z \
      -v ${book}:${container_book}:z \
      ${image} $@