fix setting of docker socket version and use it over ssh

entrypoint-script/entrypoint.sh

@@ -93,7 +93,8 @@ function add_docker_socket_permission {
   server_api="$(curl -sf --unix-socket /var/run/docker.sock http://localhost/version 2>/dev/null \
     | grep -o '"ApiVersion":"[^"]*"' | cut -d'"' -f4 || true)"
   if [ -n "$server_api" ]; then
-    echo "DOCKER_API_VERSION=$server_api" >> /etc/environment
+    printf 'export DOCKER_API_VERSION="%s"\n' "$server_api" > /etc/profile.d/docker_api_version.sh
+    printf 'DOCKER_API_VERSION=%s\n' "$server_api" > "/.ssh/environment"
     export DOCKER_API_VERSION="$server_api"
     echo "* Docker API version pinned to $server_api"
   fi

sshd_config

@@ -16,6 +16,7 @@ PubkeyAuthentication yes
 AuthenticationMethods publickey
 PermitEmptyPasswords no
 AuthorizedKeysFile .ssh/authorized_keys
+PermitUserEnvironment yes
 StrictModes yes
 AllowUsers borg