Update Dockerfile

Dockerfile

@@ -1,21 +1,26 @@
-FROM python:3.10-slim
+FROM debian:bullseye-slim
 
-# Coder server needs Docker CLI to launch workspaces
-RUN apt-get update \
- && apt-get install -y curl docker.io ca-certificates \
+# Install dependencies
+RUN apt-get update && apt-get install -y \
+    curl ca-certificates tar gzip libseccomp2 libssl1.1 git \
  && rm -rf /var/lib/apt/lists/*
 
-# Add a non-root user matching Coder docs
-RUN useradd -m -u 1000 coder
+# Create non-root user
+RUN useradd -ms /bin/bash coder
 USER coder
-ENV HOME=/home/coder PATH=/home/coder/.local/bin:$PATH
+ENV HOME=/home/coder
 WORKDIR /home/coder
 
-# Install Coder CLI
-RUN curl -fsSL https://coder.com/install.sh | sh
+# Download and extract Coder binary (manually, no dpkg)
+ENV CODER_VERSION=2.23.1
+RUN curl -L "https://github.com/coder/coder/releases/download/v${CODER_VERSION}/coder_${CODER_VERSION}_linux_amd64.tar.gz" | tar -xz \
+ && mv coder /home/coder/.local/bin \
+ && chmod +x /home/coder/.local/bin/coder
 
-# Expose Coder server default port
-EXPOSE 3000
+ENV PATH="/home/coder/.local/bin:$PATH"
 
-# Launch the Coder server
+# Expose Coder server port
+EXPOSE 7860
+
+# Start Coder server
 CMD ["coder", "server", "--host", "0.0.0.0", "--port", "7860"]