refactor(docker): simplify docker setup and update requirements

- Remove custom user setup in favor of default jovyan user
- Use named volume for persistent data
- Add pexpect dependency and clean up requirements installation

Author: chiqors

Dockerfile

@@ -5,20 +5,14 @@ USER root
 
 # Install git
 RUN apt-get update && \
-    apt-get install -y git sudo && \
+    apt-get install -y git && \
     git config --system credential.helper 'store --file ~/.git-credentials' && \
     rm -rf /var/lib/apt/lists/*
 
-# Create user and grant sudo
-ARG JUPYTER_USER=jupyter_user
-RUN useradd -m -s /bin/bash -N -g users ${JUPYTER_USER} && \
-    chmod 0440 /etc/sudoers.d/jovyan && \
-    echo "${JUPYTER_USER} ALL=(ALL) NOPASSWD: ALL" > /etc/sudoers.d/${JUPYTER_USER}
+RUN echo "jovyan ALL=(ALL) NOPASSWD: ALL" > /etc/sudoers.d/jovyan-sudo && \
+    chmod 0440 /etc/sudoers.d/jovyan-sudo
+USER jovyan
 
 # Install extensions
-COPY --chown=${JUPYTER_USER}:users requirements.txt /tmp/
-RUN pip install --no-cache-dir -r /tmp/requirements.txt
-
-# Switch to user
-USER ${JUPYTER_USER}
-WORKDIR /home/${JUPYTER_USER}
+COPY requirements.txt /tmp/
+RUN pip install --no-cache-dir -r /tmp/requirements.txt

docker-compose.yml

@@ -4,10 +4,13 @@ services:
       context: .
       args:
         JUPYTER_IMAGE_VERSION: latest
-        JUPYTER_USER: ${JUPYTER_USER:-jupyter_user}
     ports:
       - "8888:8888"
     volumes:
-      - ./data:/home/${JUPYTER_USER:-jupyter_user}/work
+      - jupyterlab-user-data:/home/jovyan
     environment:
-      - JUPYTER_ENABLE_LAB=yes
+      - JUPYTER_ENABLE_LAB=yes
+
+volumes:
+  jupyterlab-user-data:
+    name: jupyterlab-user-data

requirements.txt

@@ -4,4 +4,5 @@ jupyterlab-search-replace
 jupyterlab-day
 jupyterlab-night
 jupyterlab-lsp==5.2.0
-jedi-language-server
+jedi-language-server
+pexpect==4.9.0