Added comments

Dockerfile

@@ -22,6 +22,7 @@ RUN mkdir /git-server/keys \
   && echo git:12345 | chpasswd \
   && mkdir /home/git/.ssh
 
+# En sshd_config habilitamos acceso por key y deshabilitamos por password
 COPY sshd_config /etc/ssh/sshd_config
 COPY start.sh start.sh
 

README.md

@@ -1,5 +1,5 @@
 # git-server-docker
-A lightweight Git Server Docker image built with Alpine Linux. Available on [GitHub](https://github.com/jkarlosb/git-server-docker).
+A lightweight Git Server Docker image built with Alpine Linux. Available on [GitHub](https://github.com/jkarlosb/git-server-docker) and [Docker Hub](https://hub.docker.com/r/jkarlos/git-server-docker/)
 
 ### Basic Usage
 
@@ -7,7 +7,7 @@ How to make the image:
 
 	$ docker build -t git-server-docker .
 
-How to run the container in port 2222 with two volumes, keys volumen for public keys and repos volume for git repositories:
+How to run the container in port 2222 with two volumes, keys volume for public keys and repos volume for git repositories:
 
 	$ docker run -d -p 2222:22 -v /home/jkarlos/git-server/keys:/git-server/keys -v /home/jkarlos/git-server/repos:/git-server/repos jkarlos/git-server-docker
 

start.sh

@@ -3,6 +3,7 @@
 cd /home/git
 
 # Si hay alguna clave pública en la carpeta de keys
+# copia su contenido en authorized_keys
 if [ "$(ls -A /git-server/keys/)" ]; then
   cat /git-server/keys/*.pub > .ssh/authorized_keys
   chown -R git:git .ssh