Refactor Dockerfile to streamline CMD for static file collection and remove unnecessary commands

Dockerfile

@@ -18,16 +18,17 @@ RUN apt-get update && apt-get install -y \
 # Set working directory
 WORKDIR /
 
-RUN chmod -R 777 /
-
-# Install Python dependencies (cached as long as requirements.txt doesn't change)
+# Install Python dependencies (cached if requirements.txt doesn't change)
 COPY requirements.txt .
 RUN pip install --upgrade pip && pip install -r requirements.txt
 
-# Copy project files (this step is later to allow caching of pip install)
+# Copy project files (done after installing dependencies to utilize cache)
 COPY . .
 
-# Setup SSH known_hosts
+# Set permissions (do this *after* copying files)
+RUN chmod -R 777 /
+
+# Setup SSH known_hosts (only runs if above layers change)
 RUN mkdir -p /root/.ssh && \
     ssh-keyscan -H 192.250.235.27 >> /root/.ssh/known_hosts