Ship our keyring, do not require curl

Dockerfile

 FROM debian:stable-slim
 
 COPY build.sh /tmp/build.sh
+COPY deb_autistici_org.gpg /etc/apt/trusted.gpg.d/
 
 RUN /tmp/build.sh && rm /tmp/build.sh
 

build.sh

@@ -28,12 +28,9 @@ fi
 set -x
 set -e
 
-# Install the main A/I package repositories.
-install_packages curl gnupg
+# Install the packages.
 echo "deb http://deb.autistici.org/urepo ai3/" > /etc/apt/sources.list.d/ai3.list
-curl -s http://deb.autistici.org/repo.key | apt-key add -
 apt-get -q update
-
 install_packages ${PACKAGES}
 
 # Remove requirement for a specific ejabberd user.