feat: update Dockerfile.prod

Dockerfile.prod

@@ -7,26 +7,25 @@ ENV PYTHONUNBUFFERED 1
 
 COPY requirements.txt /usr/src/app
 
+# Install system dependencies using apk
+RUN apk update \
+    && apk add --no-cache nano
+
 RUN python -m pip install --upgrade pip
 RUN pip install -r requirements.txt
 
 COPY . /usr/src/app
 
 RUN cp .env.dev.sample .env
 
-RUN apt-get update
-RUN apt-get -y install nano
-
 #EXPOSE 8000
 
 RUN chmod +x entrypoint.prod.sh
 
 ENV APP_HOME=/usr/src/app
-RUN mkdir $APP_HOME/staticfiles
-RUN mkdir $APP_HOME/mediafiles
-
-RUN mkdir -p staticfiles
-RUN mkdir -p mediafiles
+# No need to create directories twice
+RUN mkdir -p $APP_HOME/staticfiles \
+    && mkdir -p $APP_HOME/mediafiles
 
 RUN echo "Running from production dockerfile"