Make docker image smaller

Dockerfile

@@ -5,9 +5,7 @@ ENV DEBIAN_FRONTEND=noninteractive
 
 RUN apt update &&\
     apt install -f -y \
-    build-essential \
+    make \
     texlive-xetex \
-    texlive-fonts-recommended \
-    texlive-fonts-extra \
     fonts-font-awesome \
     git

README.md

@@ -1,9 +1,9 @@
-# Docker Awesome CV
+# Docker XeLaTeX Image for Awesome CV
 
-Docker Image used to compile [Awesome CV](https://github.com/posquit0/Awesome-CV).
+Minimal Docker Image used to compile XeLaTeX files. It can also be used to compile [Awesome CV](https://github.com/posquit0/Awesome-CV).
 
-Based on Ubuntu 20.04 and with all the tools needed to build Awesome CV, font-awesome included.
+Based on Ubuntu 20.04, it contains `make`, `texlive-xetex` and `git`. 
 
 ## How to use it
 
-You can use it interactively and use xelatex to compile your CV `xelatex cv.tex`.
+You can use it interactively and use XeLaTeX to compile your file `xelatex file.tex`.