update

.vimrc

@@ -27,8 +27,6 @@ set expandtab
 set noshiftround
 set nobackup
 set noswapfile
-set undodir=~/.vim/undodir
-set undofile
 set smartindent
 " Show line numbers
 set number relativenumber
@@ -57,6 +55,27 @@ set incsearch
 set ignorecase
 set smartcase
 
+" # Close brackets automatically, with return
+inoremap {<cr> {<cr>}<C-O><S-O>
+inoremap (<cr> (<cr>)<c-o><s-o>
+inoremap [<cr> [<cr>]<c-o><s-o>
+" # Close brackets without return
+inoremap ( ()<left>
+inoremap { {}<left>
+inoremap [ []<left>
+" # Two cases below are covered by inoremap <exp>
+" inoremap " ""<left>
+" inoremap ' ''<left>
+" # If you close a bracket that is already closed, it overwrites
+inoremap <expr> ) strpart(getline('.'), col('.')-1, 1) == ")" ? "\<Right>" : ")"
+inoremap <expr> } strpart(getline('.'), col('.')-1, 1) == "}" ? "\<Right>" : "}"
+inoremap <expr> ] strpart(getline('.'), col('.')-1, 1) == "]" ? "\<Right>" : "]"
+inoremap <expr> ' strpart(getline('.'), col('.')-1, 1) == "'" ? "\<Right>" : "''<left>"
+inoremap <expr> " strpart(getline('.'), col('.')-1, 1) == "\"" ? "\<Right>" : "\"\"<left>"
+" # enclose a word in normal mode with "'({[
+nnoremap ' mmbi'<esc>ea'<esc>`m<right>
+nnoremap " mmbi"<esc>ea"<esc>`m<right>
+
 " if hidden is not set, TextEdit might fail.
 set hidden
 " Some servers have issues with backup files, see #649 set nobackup set nowritebackup

Dockerfile

@@ -1,5 +1,11 @@
 FROM ubuntu:latest
 
+LABEL org.opencontainers.image.source=https://github.com/matteospanio/cdev-docker
+
+LABEL org.opencontainers.image.description="Docker image for a C development environment at the University of Padua."
+
+LABEL org.opencontainers.image.licenses=MIT
+
 RUN yes | unminimize
 
 RUN apt-get update && apt-get install -y sudo python3 python3-pip \