Fix model format and pin TF version

.gitattributes

@@ -33,3 +33,4 @@ saved_model/**/* filter=lfs diff=lfs merge=lfs -text
 *.zip filter=lfs diff=lfs merge=lfs -text
 *.zst filter=lfs diff=lfs merge=lfs -text
 *tfevents* filter=lfs diff=lfs merge=lfs -text
+*.keras filter=lfs diff=lfs merge=lfs -text

main.py

@@ -18,7 +18,7 @@ app.mount("/static", StaticFiles(directory="static"), name="static")
 templates = Jinja2Templates(directory="templates")
 
 # ── Load model on startup ─────────────────────────────────────────────────────
-MODEL_PATH      = "pcb_model.h5"
+MODEL_PATH      = "pcb_model.keras"
 CLASS_PATH      = "class_names.json"
 IMG_SIZE        = (224, 224)
 

pcb_model.keras

@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:77b65139e954461ef127bbd20777b5da7e454303d53fac70949f5199b1703e55
+size 12799104

requirements.txt

@@ -1,7 +1,7 @@
-fastapi==0.111.0
-uvicorn==0.29.0
-python-multipart==0.0.9
-Pillow==10.3.0
+fastapi==0.104.1
+uvicorn[standard]==0.24.0
+python-multipart==0.0.6
+jinja2==3.1.2
+Pillow==10.1.0
 numpy==1.26.4
-tensorflow[and-cuda]==2.16.1
-jinja2==3.1.4
+tensorflow==2.16.1