Initial commit: Claude Dev Container with Java multi-version, Docker CLI, and web terminal

2026-02-24 16:58:17 +00:00
commit a84835cd7e
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+FROM ubuntu:22.04
+
+# Prevent interactive prompts during installation
+ENV DEBIAN_FRONTEND=noninteractive
+
+# Set up user and workspace
+ENV USER=developer
+ENV HOME=/home/$USER
+ENV WORKSPACE=$HOME/workspace
+ENV SDKMAN_DIR=$HOME/.sdkman
+
+# Install base dependencies
+RUN apt-get update && apt-get install -y \
+    curl \
+    wget \
+    git \
+    build-essential \
+    zip \
+    unzip \
+    software-properties-common \
+    ca-certificates \
+    gnupg \
+    lsb-release \
+    sudo \
+    nano \
+    vim \
+    htop \
+    net-tools \
+    && rm -rf /var/lib/apt/lists/*
+
+# Create developer user with sudo privileges
+RUN useradd -m -s /bin/bash -G sudo $USER && \
+    echo "$USER ALL=(ALL) NOPASSWD:ALL" >> /etc/sudoers && \
+    mkdir -p $WORKSPACE && \
+    chown -R $USER:$USER $HOME
+
+# Switch to developer user
+USER $USER
+WORKDIR $HOME
+
+# Install SDKMAN
+RUN curl -s "https://get.sdkman.io" | bash
+
+# Install multiple Java versions via SDKMAN
+RUN bash -c "source $SDKMAN_DIR/bin/sdkman-init.sh && \
+    sdk install java 11.0.22-tem && \
+    sdk install java 17.0.10-tem && \
+    sdk install java 21.0.2-tem && \
+    sdk install java 25-tem && \
+    sdk default java 25-tem"
+
+# Install Maven and Gradle
+RUN bash -c "source $SDKMAN_DIR/bin/sdkman-init.sh && \
+    sdk install maven && \
+    sdk install gradle"
+
+# Switch back to root for system-level installations
+USER root
+
+# Install Docker CLI (no daemon - will use host socket)
+RUN install -m 0755 -d /etc/apt/keyrings && \
+    curl -fsSL https://download.docker.com/linux/ubuntu/gpg | gpg --dearmor -o /etc/apt/keyrings/docker.gpg && \
+    chmod a+r /etc/apt/keyrings/docker.gpg && \
+    echo "deb [arch=$(dpkg --print-architecture) signed-by=/etc/apt/keyrings/docker.gpg] https://download.docker.com/linux/ubuntu \
+    $(lsb_release -cs) stable" | tee /etc/apt/sources.list.d/docker.list > /dev/null && \
+    apt-get update && \
+    apt-get install -y docker-ce-cli docker-compose-plugin && \
+    usermod -aG docker $USER && \
+    rm -rf /var/lib/apt/lists/*
+
+# Install ttyd (web terminal)
+RUN wget https://github.com/tsl0922/ttyd/releases/download/1.7.7/ttyd.x86_64 -O /usr/local/bin/ttyd && \
+    chmod +x /usr/local/bin/ttyd
+
+# Install Node.js (needed for Claude Code CLI)
+RUN curl -fsSL https://deb.nodesource.com/setup_20.x | bash - && \
+    apt-get install -y nodejs && \
+    rm -rf /var/lib/apt/lists/*
+
+# Switch back to developer user
+USER $USER
+
+# Install Claude Code CLI
+RUN npm install -g @anthropic-ai/claude-code
+
+# Create .claude directory (will be mounted with credentials from Mac)
+RUN mkdir -p $HOME/.claude
+
+# Source SDKMAN in bashrc for interactive shells
+RUN echo 'source "$SDKMAN_DIR/bin/sdkman-init.sh"' >> $HOME/.bashrc
+
+# Create startup script
+USER root
+COPY entrypoint.sh /entrypoint.sh
+RUN chmod +x /entrypoint.sh
+
+# Expose ports
+# 7681: ttyd (web terminal)
+EXPOSE 7681
+
+USER $USER
+WORKDIR $WORKSPACE
+
+ENTRYPOINT ["/entrypoint.sh"]