fix: update package installation method and version specifier

- Update requirements.txt to use ~= version specifier for runpod package
- Modify Dockerfile to install packages from requirements.txt

Author: TimPietrusky

Dockerfile

@@ -1,4 +1,3 @@
-
 # ---------------------------------------------------------------------------- #
 #                         Stage 1: Download the models                         #
 # ---------------------------------------------------------------------------- #
@@ -44,9 +43,10 @@ RUN --mount=type=cache,target=/root/.cache/pip \
 
 COPY --from=download /model.safetensors /model.safetensors
 
-# Install RunPod SDK
+# Copy requirements.txt and install dependencies
+COPY requirements.txt .
 RUN --mount=type=cache,target=/root/.cache/pip \
-    pip install --no-cache-dir runpod
+    pip install --no-cache-dir -r requirements.txt
 
 ADD src .
 
@@ -55,4 +55,4 @@ RUN cd /stable-diffusion-webui && python cache.py --use-cpu=all --ckpt /model.sa
 
 # Set permissions and specify the command to run
 RUN chmod +x /start.sh
-CMD /start.sh
+CMD /start.sh

requirements.txt

@@ -1 +1 @@
-runpod==1.7.9
+runpod~=1.7.9