Update Dockerfile

Dockerfile

@@ -14,7 +14,7 @@ WORKDIR /app
 COPY . .
 
 RUN pip install --no-cache-dir --upgrade pip && \
-    pip install --no-cache-dir \
+    pip install --no-cache-dir --prefer-binary \
       "git+https://github.com/huggingface/diffusers.git@main#egg=diffusers" \
       transformers \
       accelerate \
@@ -34,7 +34,7 @@ RUN pip install --no-cache-dir --upgrade pip && \
 
 RUN mkdir /.cache && chmod 777 /.cache
 
-RUN mkdir /app/zelda-xl && chmod 777 /app/zelda-xl
+RUN mkdir /app/${OUTPUT_DIR} && chmod 777 /app/${OUTPUT_DIR}
 
 RUN accelerate config default