diff --git a/build.sh b/build.sh
new file mode 100755
index 0000000..7efb3b2
--- /dev/null
+++ b/build.sh
@@ -0,0 +1,3 @@
+#!/bin/bash
+
+docker build --pull --rm -t p1100i/js .
diff --git a/debug.sh b/debug.sh
new file mode 100755
index 0000000..3ad2a04
--- /dev/null
+++ b/debug.sh
@@ -0,0 +1,11 @@
+#!/bin/bash
+
+docker run                              \
+  --tty                                 \
+  --interactive                         \
+  --rm                                  \
+  --privileged                          \
+  --volume "$(pwd):/builds/project"     \
+  --env SKIP_NPM_INSTALL="true"         \
+  --entrypoint /bin/bash                \
+  p1100i/js
diff --git a/readme.md b/readme.md
index 7e52d3e..7dc78e9 100644
--- a/readme.md
+++ b/readme.md
@@ -2,17 +2,13 @@ docker-js
 =========
 > Personal docker image for JS projects.
 
-# Build
-```
-docker build -t p1100i/js .
-```
-
-# Push
-```
-docker push p1100i/js
-```
+# Development
+Have this repo cloned for yourself.
+* build it with: `./build.h`
+* publish it with: `./publish.sh` (this builds it again to be safe)
 
 # Local use
+Have a script like `test.sh` in a JS project with the following content:
 ```
 docker run                              \
   --tty                                 \
@@ -30,4 +26,8 @@ Have the `.gitlab-ci.yml` file for your project with the following content:
 image:
   name: p1100i/js
 ```
-Everything should be automated by [entrypoint.sh](entrypoint.sh) handling [variables predefined](https://docs.gitlab.com/ee/ci/variables/predefined_variables.html) by the gitlab runner env.
+
+After this, gitlab will pull the published image from dockerhub, with the default entrypoint that contains `npm install` and `npm test` commands.
+
+Generally everything should be automated by [entrypoint.sh](entrypoint.sh) handling [variables predefined](https://docs.gitlab.com/ee/ci/variables/predefined_variables.html) by the gitlab runner env.
+