fix: add docker CLI and host passwd mount

platform/Dockerfile

@@ -2,25 +2,17 @@ FROM python:3.11-slim
 
 WORKDIR /app
 
-# Install SSH client + docker CLI
 RUN apt-get update && apt-get install -y \
-    openssh-client \
-    curl \
-    ca-certificates \
+    openssh-client curl ca-certificates \
     && install -m 0755 -d /etc/apt/keyrings \
     && curl -fsSL https://download.docker.com/linux/debian/gpg -o /etc/apt/keyrings/docker.asc \
     && echo "deb [arch=amd64 signed-by=/etc/apt/keyrings/docker.asc] https://download.docker.com/linux/debian bookworm stable" > /etc/apt/sources.list.d/docker.list \
-    && apt-get update \
-    && apt-get install -y docker-ce-cli \
+    && apt-get update && apt-get install -y docker-ce-cli \
     && rm -rf /var/lib/apt/lists/*
 
 COPY requirements.txt .
-RUN pip install --no-cache-dir -r requirements.txt
-RUN pip install flask
+RUN pip install --no-cache-dir -r requirements.txt flask
 
 COPY . .
-
 EXPOSE 8000
-
-CMD ["python", "app.py"]
-EOF
+CMD ["python", "app.py"]