dockerfile: install git

Author: avivace

Dockerfile

@@ -3,7 +3,7 @@ FROM debian:latest
 LABEL org.opencontainers.image.source=https://github.com/gbdev/gb-asm-tutorial
 SHELL ["bash", "-lc"]
 RUN apt update
-RUN apt install curl -y
+RUN apt install curl git -y
 
 # Install rust and mdbook
 RUN curl --proto '=https' --tlsv1.2 -sSf https://sh.rustup.rs | sh -s -- -y
@@ -17,4 +17,4 @@ WORKDIR /code
 # Serve gb-asm-tutorial
 # See https://github.com/rust-lang/mdBook/issues/2226
 RUN mdbook build
-CMD mdbook serve --hostname 0.0.0.0 & mdbook watch
+CMD mdbook serve --hostname 0.0.0.0 & mdbook watch