diff --git a/bitbucket-pipelines.yml b/bitbucket-pipelines.yml
index 7f638d0..3066a44 100644
--- a/bitbucket-pipelines.yml
+++ b/bitbucket-pipelines.yml
@@ -1,4 +1,4 @@
-image: hashicorp/terraform:0.10.8
+image: hashicorp/terraform:full
 
 pipelines:
   default:
@@ -13,3 +13,14 @@ pipelines:
           - mv terraform.tfvars.ci terraform.tfvars
           - terraform init
           - terraform validate
+  custom:
+    manual:
+      - step:
+          script:
+            - apk update
+            - apk upgrade
+            - apk add --no-cache bash git
+            - go get github.com/segmentio/terraform-docs
+            - ./scripts/update_readme.sh
+            - git status
+            - git diff
diff --git a/scripts/update_readme.sh b/scripts/update_readme.sh
new file mode 100755
index 0000000..d4bda20
--- /dev/null
+++ b/scripts/update_readme.sh
@@ -0,0 +1,23 @@
+#!/bin/bash
+
+script_dir=$(dirname $0)
+if [[ "$script_dir" == "." ]]; then
+  cd ..
+else
+  cd "$(dirname $script_dir)"
+fi
+
+for dir in $(find -mindepth 2 -name README.md); do
+    cd $(dirname $dir)
+    pwd
+    cp README.md README.md.bak
+    sed -i '/Inputs/,$d' README.md
+    terraform-docs md ./ | tail -n +2 >> README.md
+    sed -i 's/## Inputs/Inputs/g' README.md
+    sed -i '/Inputs/a ------' README.md
+    sed -i 's/## Outputs/Outputs/g' README.md
+    sed -i '/Outputs/a -------' README.md
+    grep -Pzo '.*Related documentation(.*\n)*' README.md.bak >> README.md
+    rm README.md.bak
+    cd - >> /dev/null
+done