Bindings and syntax highlight change

vimrc

@@ -135,6 +135,9 @@ if !empty(glob(s:info_filename)) && !filewritable(s:info_filename)
     echoerr 'The .viminfo file cannot be written to!'
 endif
 
+""" Set dockerfile syntax
+autocmd BufNewFile,BufRead Dockerfile* set ft=Dockerfile
+
 
 """ keybindings
 
@@ -156,11 +159,12 @@ nnoremap <leader>b :Gblame<CR>
 nnoremap <C-p> :FZF<CR>
 nnoremap <leader>f :Buffers<CR>
 nnoremap <C-F> :Files<CR>
-nnoremap <C-\> :Rg<CR>
+nnoremap <C-g> :Rg<CR>
 nnoremap <leader>k :exe "Rg  " . expand("<cword>")<cr>
 nnoremap <leader>s :call Fzf_dev()<CR>
 nnoremap <leader>c :Commits<CR>
 nnoremap <leader>b :Git blame<CR>
+nnoremap <leader>gh :exe "Git log -L:" . expand("<cword>") . ":" . expand("%")<cr>
 nnoremap <leader><esc> :silent! nohls<CR>:call clearmatches()<CR>
 nnoremap <leader><Tab> :bnext<CR>
 nnoremap <leader>\ :bprev<CR>