diff --git a/config/fg42.user.el b/config/fg42.user.el
index aca9dd7..23bb7c7 100644
--- a/config/fg42.user.el
+++ b/config/fg42.user.el
@@ -37,6 +37,7 @@
                      'arduino
                      'java
                      'racket
+                     'devops
                      'irc
                      'latex)
 
diff --git a/lib/extensions/development.el b/lib/extensions/development.el
index d0560c0..42f5281 100644
--- a/lib/extensions/development.el
+++ b/lib/extensions/development.el
@@ -9,7 +9,7 @@
 (depends-on 'yasnippet)
 (depends-on 'yasnippet-snippets)
 (depends-on 'smart-mode-line)
-(depends-on 'dockerfile-mode)
+
 (depends-on 'quickrun)
 (depends-on 'dash)
 (depends-on 'websocket)
diff --git a/lib/extensions/devops.el b/lib/extensions/devops.el
new file mode 100644
index 0000000..3854d1b
--- /dev/null
+++ b/lib/extensions/devops.el
@@ -0,0 +1,19 @@
+;;; DevopsExtension --- Enable Devops support in FG42
+;;; Commentary:
+;;; Code:
+(require 'fpkg)
+(require 'fg42/extension)
+(require 'extensions/devops/init)
+
+;; dependencies
+(depends-on 'kubel)
+(depends-on 'ansible)
+(depends-on 'docker)
+(depends-on 'dockerfile-mode)
+
+(extension devops
+           :version 0.0.1
+           :on-initialize extensions/devops-initialize
+           :docs "lib/extensions/devops/readme.org")
+(provide 'extensions/devops)
+;; devops ends here
diff --git a/lib/extensions/devops/init.el b/lib/extensions/devops/init.el
new file mode 100644
index 0000000..b38f84c
--- /dev/null
+++ b/lib/extensions/devops/init.el
@@ -0,0 +1,12 @@
+;;; devops-init --- The entry point for devops extension
+;;; Commentary:
+;;; Code:
+
+(defun extensions/devops-initialize ()
+  "Initialize devops extension."
+  (exec-path-from-shell-initialize)
+  (add-to-list 'auto-mode-alist '("Dockerfile\\'" . dockerfile-mode))
+  (add-hook 'yaml-mode-hook (lambda () (ansible))))
+
+(provide 'extensions/devops/init)
+;;; init ends here.
diff --git a/lib/extensions/editor.el b/lib/extensions/editor.el
index 7f003e1..d8a7459 100644
--- a/lib/extensions/editor.el
+++ b/lib/extensions/editor.el
@@ -25,7 +25,7 @@
 
 (depends-on 'eyebrowse)
 
-;; general for simpler keybindin
+;; general for simpler keybinding
 (depends-on 'general)
 
 ;; Themes
diff --git a/lib/extensions/editor/init.el b/lib/extensions/editor/init.el
index 6e0073a..045f3e8 100644
--- a/lib/extensions/editor/init.el
+++ b/lib/extensions/editor/init.el
@@ -58,7 +58,7 @@
   ;; Font Configuration -----------------------------------
   (ability font ()
            "Sets the default font to fg42 font"
-           (add-to-list 'default-frame-alist (cons 'font fg42-font))
+           (add-to-list 'default-frame-alist (cons 'font (format "%s-%d" fg42-font fg42-font-size)))
            (set-face-attribute 'default t :font fg42-font))
   ;; ------------------------------------------------------