Updated SSH DevContainer of MS Ubuntu 20.04

dev-ubuntu-20.04-ssh/Dockerfile

@@ -0,0 +1,12 @@
+FROM mcr.microsoft.com/devcontainers/base:dev-ubuntu-20.04
+
+COPY entrypoint.sh /entrypoint.sh
+
+RUN apt-get update && apt-get install -y openssh-server && apt-get clean && chmod +x /entrypoint.sh
+
+
+# 当有命令传入时候执行命令，否则执行 tail -f /dev/null
+ENTRYPOINT ["/entrypoint.sh"]
+CMD []
+
+# $ docker build -t base-ssh-devcontainer:ubuntu-20.04-20241014 .