feat(docker): Use my own base

Signed-off-by: Jeremy MAURO <jeremy.mauro@gmail.com>

Dockerfile

@@ -6,14 +6,13 @@ ENV OOKLA_KEY_GPG /etc/apt/trusted.gpg.d/ookla-speedtest.gpg
 ENV DEB_DISTRO bullseye
 
 # install requirements curl & jq
-RUN apt-get update && apt-get install -y curl jq
+RUN apt_install curl jq
 
 # install speedtest
-RUN apt-get update && apt-get install -y gnupg1 apt-transport-https dirmngr
+RUN apt_install gpg apt-transport-https dirmngr ca-certificates
 RUN curl -L ${GPG_KEY} | gpg --dearmor -o ${OOKLA_KEY_GPG}
 RUN echo "deb [arch=amd64 signed-by=${OOKLA_KEY_GPG}] ${OOKLA_URL} ${DEB_DISTRO} main" | tee /etc/apt/sources.list.d/speedtest.list && \
-        apt-get update && \
-        apt-get install speedtest
+        apt_install speedtest
 
 COPY scripts/docker-entrypoint.sh /usr/local/bin
 ENTRYPOINT ["/usr/local/bin/docker-entrypoint.sh"]