Clean apt && add apt-get git

Dockerfile

@@ -1,7 +1,7 @@
 FROM registry.sindominio.net/debian as builder
 
 RUN apt-get update && \
-        apt-get install -y --no-install-recommends curl gnupg2 ca-certificates
+        apt-get install -y --no-install-recommends ca-certificates
 
 RUN echo "deb http://deb.debian.org/debian buster-backports main" >> /etc/apt/sources.list
 
@@ -19,6 +19,7 @@ WORKDIR /
 RUN yarn global add gancio
 
 ## por ejemplo
+# RUN apt-get install -y git
 # RUN git clone https://framagit.org/les/gancio
 # RUN yarn
 # RUN ./node_modules/.bin/sequelize db:migrate