Add first work

Dockerfile

@@ -1,15 +1,14 @@
-FROM registry.cer.ssaim.dnum.minint.fr/images/internet/debian:buster
+FROM debian:buster
 
 ENV SQUID_CACHE_DIR=/var/spool/squid \
     SQUID_LOG_DIR=/var/log/squid \
     SQUID_USER=proxy \
-    SQUID_VERSION=4.14
 
 WORKDIR /tmp
 
 RUN apt-get update && apt-get --no-install-recommends -y build-dep squid && apt-get install --no-install-recommends -y wget tar xz-utils libssl-dev libssl1.1 \
-    && mkdir squid && wget http://www.squid-cache.org/Versions/v4/squid-$SQUID_VERSION.tar.xz \
-    && tar -C squid --strip-components=1 -xvf squid-$SQUID_VERSION.tar.xz \
+    && mkdir squid && wget http://www.squid-cache.org/Versions/v4/$SQUID_VERSION.tar.gz \
+    && tar -C squid --strip-components=1 -xvf $SQUID_VERSION \
     && cd squid \
     && ./configure \
         --prefix=/usr \