Update app.py

app.py

@@ -281,8 +281,6 @@ st.sidebar.markdown(
     unsafe_allow_html=True
 )
 
-st.sidebar.write("Upload an image and/or enter a query to get started! Explore our trained dish types listed below for guidance.")
-
 uploaded_image = st.sidebar.file_uploader("Choose an image:", type="jpg")
 query = st.sidebar.text_area("Enter your query:", height=100)
 recipe_submit = st.sidebar.button(label='Chain Recipe', icon=':material/link:', use_container_width=True)
@@ -315,6 +313,12 @@ with st.expander("**What is FOOD CHAIN?**"):
     )
 #################
 
+if not uploaded_image: 
+    placeholder = Image.open("dish-placeholder.jpg")
+    st.image(placeholder, caption="Uploaded Image.", use_container_width=True)
+    
+st.sidebar.write("Upload an image and/or enter a query to get started! Explore our trained dish types listed below for guidance.")
+
 # Image Classification Section
 if uploaded_image and recipe_submit:
     with st.expander("**Food Classification**", expanded=True, icon=':material/search_insights:'):