add dockerfile with docker

compose.yml

@@ -4,7 +4,9 @@ networks:
 
 services:
   jenkins_docker_ssh_agent:
-    image: jenkins/ssh-agent
+    build: 
+      context: .
+      dockerfile: dockerfile
     container_name: jenkins_docker_ssh_agent
     environment:
         JENKINS_AGENT_SSH_PUBKEY: ${ssh_key} 

dockerfile

@@ -0,0 +1,11 @@
+FROM jenkins/ssh-agent:latest-debian-jdk21
+
+
+RUN apt-get update
+RUN apt-get install ca-certificates curl
+RUN install -m 0755 -d /etc/apt/keyrings
+RUN curl -fsSL https://download.docker.com/linux/debian/gpg -o /etc/apt/keyrings/docker.asc
+RUN chmod a+r /etc/apt/keyrings/docker.asc
+RUN echo "deb [signed-by=/etc/apt/keyrings/docker.asc] https://download.docker.com/linux/debian $(lsb_release -cs) stable" > /etc/apt/sources.list.d/docker.list
+RUN apt-get update
+RUN apt-get install docker-ce docker-ce-cli containerd.io  docker-buildx-plugin