fix: add test input file and update Dockerfile

Author: TimPietrusky

Dockerfile

@@ -48,6 +48,9 @@ COPY requirements.txt .
 RUN --mount=type=cache,target=/root/.cache/pip \
     pip install --no-cache-dir -r requirements.txt
 
+# Copy test input file
+COPY test_input.json .
+
 ADD src .
 
 COPY builder/cache.py /stable-diffusion-webui/cache.py

test_input.json

@@ -0,0 +1,9 @@
+{
+  "prompt": "a photo of an astronaut riding a horse on mars",
+  "negative_prompt": "blurry, bad quality",
+  "width": 512,
+  "height": 512,
+  "num_inference_steps": 20,
+  "guidance_scale": 7.5,
+  "seed": 42
+}