Initial commit

micro-debian-dev/Dockerfile

@@ -0,0 +1,51 @@
+FROM debian:stable-slim
+
+ENV DEBIAN_FRONTEND=noninteractive
+
+# Basic tools + SSH + dev stack (+ fastfetch if available)
+RUN apt-get update && \
+    apt-get install -y --no-install-recommends \
+        openssh-server \
+        sudo \
+        ca-certificates \
+        git \
+        curl wget \
+        vim nano \
+        htop \
+        build-essential \
+        fastfetch || true && \
+    rm -rf /var/lib/apt/lists/*
+
+# Create 'micro' user with fixed uid/gid 1000
+RUN useradd -m -u 1000 -U -s /bin/bash micro && \
+    echo "micro:ChangeMe123" | chpasswd && \
+    usermod -aG sudo micro
+
+# Prepare .ssh directory
+RUN mkdir -p /home/micro/.ssh && \
+    chown -R micro:micro /home/micro && \
+    chmod 700 /home/micro/.ssh
+
+# SSH server config: key-only login, use ~/.ssh/authorized_keys
+RUN sed -i 's/^#PasswordAuthentication yes/PasswordAuthentication no/' /etc/ssh/sshd_config || true && \
+    sed -i 's/^PasswordAuthentication yes/PasswordAuthentication no/' /etc/ssh/sshd_config || true && \
+    sed -i 's/^#KbdInteractiveAuthentication yes/KbdInteractiveAuthentication no/' /etc/ssh/sshd_config || true && \
+    sed -i 's/^#PubkeyAuthentication yes/PubkeyAuthentication yes/' /etc/ssh/sshd_config || true && \
+    sed -i 's|^#AuthorizedKeysFile.*|AuthorizedKeysFile .ssh/authorized_keys|' /etc/ssh/sshd_config || true && \
+    echo 'UsePAM no' >> /etc/ssh/sshd_config
+
+# Generate host keys and make sure run dir exists
+RUN mkdir -p /var/run/sshd && \
+    ssh-keygen -A
+
+# Fastfetch config for micro (optional flair)
+RUN mkdir -p /home/micro/.config/fastfetch
+COPY fastfetch_config.json /home/micro/.config/fastfetch/config.json
+RUN chown -R micro:micro /home/micro/.config && \
+    echo 'if command -v fastfetch >/dev/null 2>&1; then fastfetch; fi' >> /home/micro/.bashrc && \
+    chown micro:micro /home/micro/.bashrc
+
+EXPOSE 22
+
+CMD ["/usr/sbin/sshd", "-D"]
+