Upgrade Docker to 20.10.12

Author: afbjorklund

Dockerfile

@@ -428,7 +428,7 @@ RUN wget -O usr/local/sbin/cgroupfs-mount "https://github.com/tianon/cgroupfs-mo
 	chmod +x usr/local/sbin/cgroupfs-mount; \
 	tcl-chroot cgroupfs-mount
 
-ENV DOCKER_VERSION 19.03.15
+ENV DOCKER_VERSION 20.10.12
 
 # Get the Docker binaries with version that matches our boot2docker version.
 RUN DOCKER_CHANNEL='stable'; \
@@ -442,7 +442,7 @@ RUN DOCKER_CHANNEL='stable'; \
 	rm /docker.tgz; \
 	\
 # download bash-completion too
-	wget -O usr/local/share/bash-completion/completions/docker "https://github.com/docker/docker-ce/raw/v${DOCKER_VERSION}/components/cli/contrib/completion/bash/docker"; \
+	wget -O usr/local/share/bash-completion/completions/docker "https://github.com/docker/cli/raw/v${DOCKER_VERSION}/contrib/completion/bash/docker"; \
 	\
 	for binary in \
 		containerd \