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@@ -1,67 +1,34 @@
-# Base image
 FROM python:3.9
 
 ENV DEBIAN_FRONTEND=noninteractive
 
-# Install only what's needed
+# Install dependencies
 RUN apt-get update && apt-get install -y \
-    openssh-server \
     curl \
     wget \
     git \
     nano \
+    vim \
     net-tools \
     sudo \
-    ca-certificates \
-    libcap2-bin && \
+    ca-certificates && \
     rm -rf /var/lib/apt/lists/*
 
-# SSH setup
-RUN mkdir -p /var/run/sshd && \
-    ssh-keygen -A && \
-    chmod 600 /etc/ssh/ssh_host_*_key
+# Install ttyd from prebuilt binary
+RUN wget -q https://github.com/tsl0922/ttyd/releases/download/1.7.3/ttyd.x86_64 \
+    -O /usr/local/bin/ttyd && \
+    chmod +x /usr/local/bin/ttyd
 
-# Configure sshd — keep on port 22 internally (HF maps 7860 externally)
-RUN sed -i -E 's/#?PasswordAuthentication yes/PasswordAuthentication no/' /etc/ssh/sshd_config && \
-    sed -i -E 's/#?UsePAM yes/UsePAM no/' /etc/ssh/sshd_config && \
-    sed -i -E 's/#?PermitEmptyPasswords .*/PermitEmptyPasswords no/' /etc/ssh/sshd_config && \
-    sed -i -E 's/#?ChallengeResponseAuthentication .*/ChallengeResponseAuthentication no/' /etc/ssh/sshd_config && \
-    sed -i -E 's/#?PermitRootLogin .*/PermitRootLogin prohibit-password/' /etc/ssh/sshd_config
-
-# Create non-root user
+# Create a non-root user with a password
 RUN useradd -m -u 1000 -s /bin/bash user && \
-    echo "user ALL=(ALL) NOPASSWD:ALL" > /etc/sudoers.d/user
-
-# Add your SSH public key
-RUN mkdir -p /home/user/.ssh && \
-    echo "ssh-rsa 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 your_email@example.com" \
-        > /home/user/.ssh/authorized_keys && \
-    chmod 700 /home/user/.ssh && \
-    chmod 600 /home/user/.ssh/authorized_keys && \
-    chown -R user:user /home/user/.ssh
-
-# Also allow root SSH login with the same key (for tunnel use)
-RUN mkdir -p /root/.ssh && \
-    cp /home/user/.ssh/authorized_keys /root/.ssh/authorized_keys && \
-    chmod 700 /root/.ssh && chmod 600 /root/.ssh/authorized_keys
-
-# Install gsocket properly
-RUN wget -qO /tmp/gsocket_install.sh https://gsocket.io/install.sh && \
-    bash /tmp/gsocket_install.sh || true && \
-    # Fallback: build from source if binary not in PATH
-    which gs-netcat || ( \
-        apt-get update && apt-get install -y automake autoconf build-essential libssl-dev && \
-        git clone --depth=1 https://github.com/hackerschoice/gsocket.git /tmp/gsocket && \
-        cd /tmp/gsocket && autoreconf -fi && ./configure && make && make install \
-    )
-
-# Install code-server (VS Code in browser)
-RUN curl -fsSL https://code-server.dev/install.sh | sh
+    echo "user ALL=(ALL) NOPASSWD:ALL" > /etc/sudoers.d/user && \
+    echo "user:devpassword" | chpasswd
 
-# ---------------------------------------------------------------
-# CRITICAL for HF Spaces: port 7860 must respond with HTTP.
-# We run a tiny Python HTTP server on 7860 alongside sshd on 22.
-# ---------------------------------------------------------------
+# Nice terminal prompt + welcome message
+RUN echo 'export PS1="\[\033[1;32m\]\u@hf-space\[\033[0m\]:\[\033[1;34m\]\w\[\033[0m\]\$ "' \
+        >> /home/user/.bashrc && \
+    echo 'echo "🟢 Welcome to your HF Dev Space!"' \
+        >> /home/user/.bashrc
 
 WORKDIR /app
 COPY . /app
@@ -69,7 +36,6 @@ COPY . /app
 COPY entrypoint.sh /entrypoint.sh
 RUN chmod +x /entrypoint.sh
 
-# HF Spaces requires EXPOSE 7860
 EXPOSE 7860
 
-CMD ["/entrypoint.sh"]
+CMD ["/entrypoint.sh"]

entrypoint.sh

@@ -1,84 +1,18 @@
 #!/bin/bash
 set -e
 
-# ------------------------------------------------------------------------------
-# 1. Start sshd on port 22 (internal)
-# ------------------------------------------------------------------------------
-echo "[*] Starting SSH server..."
-/usr/sbin/sshd
-
-# Verify sshd is running
-sleep 1
-if ! pgrep sshd > /dev/null; then
-    echo "[!] sshd failed to start. Check /etc/ssh/sshd_config"
-    exit 1
-fi
-echo "[*] sshd running on port 22"
-
-# ------------------------------------------------------------------------------
-# 2. Start gsocket to expose sshd over the gsocket network
-#    Connect to it from anywhere with:
-#      gsocket -s mypass ssh user@gsocket
-# ------------------------------------------------------------------------------
-echo "[*] Starting gsocket tunnel for SSH (passkey: mypass)..."
-gs-netcat -s mypass -l -e /usr/sbin/sshd &
-GSOCKET_PID=$!
-
-# ------------------------------------------------------------------------------
-# 3. Start code-server (VS Code) on port 8080 (internal, optional)
-# ------------------------------------------------------------------------------
-echo "[*] Starting code-server on port 8080..."
-code-server --bind-addr 0.0.0.0:8080 --auth none /app &
-
-# ------------------------------------------------------------------------------
-# 4. CRITICAL: Serve HTTP on port 7860
-#    Hugging Face Spaces REQUIRES port 7860 to respond with HTTP.
-#    Without this the Space shows as "unhealthy" and gets killed.
-#    This page also shows connection instructions.
-# ------------------------------------------------------------------------------
-echo "[*] Starting HTTP status page on port 7860..."
-python3 - <<'PYEOF' &
-import http.server, socketserver, os
-
-HTML = """<!DOCTYPE html>
-<html>
-<head><title>Dev Space</title>
-<style>
-  body { font-family: monospace; background: #1e1e2e; color: #cdd6f4; padding: 2em; }
-  h1 { color: #89b4fa; }
-  code { background: #313244; padding: 2px 8px; border-radius: 4px; }
-  pre  { background: #313244; padding: 1em; border-radius: 8px; }
-</style>
-</head>
-<body>
-<h1>🟢 Dev Space is Running</h1>
-<p>Connect via gsocket SSH from any machine:</p>
-<pre>gsocket -s mypass ssh user@localhost</pre>
-<p>Or connect to VS Code:</p>
-<pre>code-server is on internal port 8080</pre>
-</body>
-</html>"""
-
-class Handler(http.server.BaseHTTPRequestHandler):
-    def do_GET(self):
-        self.send_response(200)
-        self.send_header("Content-Type", "text/html")
-        self.end_headers()
-        self.wfile.write(HTML.encode())
-    def log_message(self, *args):
-        pass  # suppress access logs
-
-with socketserver.TCPServer(("", 7860), Handler) as httpd:
-    print("[*] HTTP status page serving on port 7860")
-    httpd.serve_forever()
-PYEOF
-
-HTTP_PID=$!
-
-# ------------------------------------------------------------------------------
-# 5. Keep the container alive — wait on gsocket
-# ------------------------------------------------------------------------------
-echo "[*] All services started. Space is ready."
-echo "    - SSH via gsocket:  gsocket -s mypass ssh user@localhost"
-echo "    - HTTP status page: http://<your-space>.hf.space"
-wait $GSOCKET_PID
+echo "[*] Starting ttyd browser terminal on port 7860..."
+
+# ttyd flags:
+#   -p 7860        → listen on HF's required port
+#   -W             → allow clients to write (not read-only)
+#   -t fontSize=16 → slightly larger font for comfort
+#   -t theme=...   → dark theme
+#   --writable     → enable keyboard input
+#   su - user      → drop into the non-root user shell
+exec ttyd \
+    --port 7860 \
+    --writable \
+    -t fontSize=16 \
+    -t 'theme={"background":"#1e1e2e","foreground":"#cdd6f4","cursor":"#f5c2e7","black":"#45475a","red":"#f38ba8","green":"#a6e3a1","yellow":"#f9e2af","blue":"#89b4fa","magenta":"#cba6f7","cyan":"#89dceb","white":"#bac2de"}' \
+    su - user