[#1] Changes ...

.devcontainer/Dockerfile

@@ -2,9 +2,13 @@
 FROM gcc:latest
 
 ARG USERNAME
+ARG HOME
+ARG DOCKER_VOLUME
+
+ENV USERNAME ${USERNAME}
+ENV HOME ${HOME}
+ENV DOCKER_VOLUME ${DOCKER_VOLUME}
 
-ENV USERNAME=${USERNAME}
-ENV HOME /home/${USERNAME}
 ENV USER_UID 1000
 ENV USER_GID ${USER_UID}
 
@@ -38,20 +42,21 @@ RUN \
   \
   && usermod -aG sudo ${USERNAME} \
   && echo ${USERNAME} ALL=\(root\) NOPASSWD:ALL > /etc/sudoers.d/${USERNAME} \
-  && chmod 0440 /etc/sudoers.d/${USERNAME} \
-  \
-  && mkdir -p \
-    ${HOME}/.vscode-server/extensions \
-    ${HOME}/.vscode-server-insiders/extensions \
-  && chown -R ${USERNAME}:${USERNAME} ${HOME}
+  && chmod 0440 /etc/sudoers.d/${USERNAME}
 
-ENV DOCKER_VOLUME /mnt/docker
+ENV DOCKER_VOLUME ${HOME}/volume
 ENV PROMPT_COMMAND 'history -a'
-ENV HISTFILE ${DOCKER_VOLUME}/.bash_history
 
-RUN mkdir ${DOCKER_VOLUME} \
-  && touch ${HISTFILE} \
-  && chown -R ${USERNAME}:${USERNAME} ${DOCKER_VOLUME}
+RUN \
+  mkdir -p \
+    ${DOCKER_VOLUME} \
+    ${DOCKER_VOLUME}/.vscode-server/extensions \
+    ${DOCKER_VOLUME}/.vscode-server-insiders/extensions \
+  && touch ${DOCKER_VOLUME}/.bash_history \
+  && ln -s ${DOCKER_VOLUME}/.bash_history ${HOME}/.bash_history \
+  && ln -s ${DOCKER_VOLUME}/.vscode-server ${HOME}/.vscode-server \
+  && ln -s ${DOCKER_VOLUME}/.vscode-server-insiders ${HOME}/.vscode-server-insiders \
+  && chown -R ${USERNAME}:${USERNAME} ${HOME}
 
 WORKDIR ${HOME}
 USER ${USERNAME}

.devcontainer/devcontainer.json

@@ -1,20 +1,18 @@
-// For format details, see https://aka.ms/vscode-remote/devcontainer.json or this file's README at:
-// https://github.com/microsoft/vscode-dev-containers/tree/v0.128.0/containers/cpp
 {
   "name": "gcc:latest",
 
   "build": {
     "dockerfile": "Dockerfile",
     "args": {
-      "USERNAME": "${localEnv:DOCKER_USER}"
+      "USERNAME": "${localEnv:DOCKER_USER}",
+      "HOME": "/home/${localEnv:DOCKER_USER}",
+      "DOCKER_VOLUME": "/home/${localEnv:DOCKER_USER}/volume",
     }
   },
 
-  //
-  // NOTICE:
-  // '--hostname' and '--name' does not work and prevents from running the container
-  //
   "runArgs": [
+    "--name=vsc-gcc-latest",
+    "--hostname=gcc",
     "--cap-add=SYS_PTRACE",
     "--security-opt",
     "seccomp=unconfined"
@@ -28,18 +26,11 @@
     "ms-vscode.cpptools"
   ],
 
-  //
-  // NOTICE:
-  // 'workspaceMount' plus 'workspaceFolder' does not work, workspace is not mounted
-  //
-
   "containerUser": "${localEnv:DOCKER_USER}",
 
   "mounts": [
-    "source=vsc-gcc-server-extensions,target=/home/${localEnv:DOCKER_USER}/.vscode-server/extensions,type=volume",
-    "source=vsc-gcc-insiders-extensions,target=/home/${localEnv:DOCKER_USER}/.vscode-server-insiders/extensions,type=volume",
-    "source=vsc-gcc-docker-volume,target=/mnt/docker,type=volume"
+    "source=vsc-gcc-latest-volume,target=/home/${localEnv:DOCKER_USER}/volume,type=volume"
   ],
 
   "postCreateCommand": ""
-}
+}