Create Dockerfile

Dockerfile

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+FROM debian:12-slim
+
+ENV DEBIAN_FRONTEND=noninteractive
+
+RUN apt-get update && apt-get install -y \
+    openssh-server \
+    curl \
+    wget \
+    sudo \
+    iproute2 \
+    iptables \
+    ca-certificates \
+    procps \
+    net-tools \
+    vim \
+    nano \
+    htop \
+    git \
+    unzip \
+    gnupg \
+    lsb-release \
+    nginx \
+    && rm -rf /var/lib/apt/lists/*
+
+RUN curl -fsSL https://tailscale.com/install.sh | sh
+
+RUN mkdir -p /run/sshd /var/run/tailscale /var/lib/tailscale /var/cache/tailscale
+
+RUN echo 'root:root' | chpasswd
+
+RUN sed -i 's/#PermitRootLogin prohibit-password/PermitRootLogin yes/' /etc/ssh/sshd_config && \
+    sed -i 's/#PasswordAuthentication yes/PasswordAuthentication yes/' /etc/ssh/sshd_config && \
+    sed -i 's/PasswordAuthentication no/PasswordAuthentication yes/' /etc/ssh/sshd_config
+
+RUN cat > /etc/nginx/sites-available/default << 'EOF'
+server {
+    listen 7680;
+    root /var/www/html;
+    index index.html;
+    location / {
+        try_files $uri $uri/ =404;
+    }
+}
+EOF
+
+RUN echo '<h1>vps-container</h1>' > /var/www/html/index.html
+
+RUN cat > /entrypoint.sh << 'EOF'
+#!/bin/bash
+set -e
+AUTH_KEY="${TAILSCALE_AUTH_KEY:-tskey-auth-kH3iQLsz2M11CNTRL-W2XXWuwXahQfCgo8GQBFhQJMVj4GRUJaj}"
+HOSTNAME="${CONTAINER_HOSTNAME:-vps-container}"
+
+/usr/sbin/sshd
+nginx -g 'daemon off;' &
+
+tailscaled --tun=userspace-networking --statedir=/var/lib/tailscale &
+TAILSCALED_PID=$!
+sleep 2
+
+tailscale up --auth-key="$AUTH_KEY" --hostname="$HOSTNAME" --accept-routes
+
+echo ""
+echo "=== Container ready ==="
+echo "Tailscale IP: $(tailscale ip -4 2>/dev/null)"
+echo "SSH password: root"
+echo "HTTP port   : 7680"
+echo "======================="
+
+wait $TAILSCALED_PID
+EOF
+
+RUN chmod +x /entrypoint.sh
+
+EXPOSE 22 7680
+
+ENTRYPOINT ["/entrypoint.sh"]