more efficient server

api/server.py

@@ -19,7 +19,7 @@ import threading
 BUILD_PATH = "./build_models"
 IMAGE_SIZE = 64
 
-sem = threading.Semaphore(1) #adjust to performance
+sem_ai = threading.Semaphore(1)
 
 class bird_species(Enum):
     Common_Kingfisher = 0
@@ -61,7 +61,7 @@ app.add_middleware(
 
 @app.post("/predict")
 async def predict(file: UploadFile = File(...)):
-    with sem:
+    with sem_ai:
         image_bytes = await file.read()
 
         image = Image.open(io.BytesIO(image_bytes)).convert("RGB")
@@ -92,9 +92,15 @@ class Review(BaseModel):
     text: str
     date: str
 
+sem_db = threading.Semaphore(1)
+
 @app.get("/review")
 def get_reviews(auth=Depends(get_api_key)):
-    conn = sqlite3.connect("database/reviews.db")
+    with sem_db:
+        conn = sqlite3.connect(
+            "database/reviews.db",
+            check_same_thread=False
+        )
         cur = conn.cursor()
 
         cur.execute("""
@@ -105,13 +111,16 @@ def get_reviews(auth=Depends(get_api_key)):
 
         print(data)
 
-    conn.commit()
         conn.close()
         return {"data": data}
 
 @app.post("/review")
 def post_review(review: Review):
-    conn = sqlite3.connect("database/reviews.db")
+    with sem_db:
+        conn = sqlite3.connect(
+            "database/reviews.db",
+            check_same_thread=False
+        )
         cur = conn.cursor()
 
         cur.execute("""
@@ -123,28 +132,13 @@ def post_review(review: Review):
         conn.close()
         return {"status": "ok"}
 
-@app.put("/review")
-def put_review(auth=Depends(get_api_key)):
-    conn = sqlite3.connect("database/reviews.db")
-    cur = conn.cursor()
-
-    cur.execute("""
-    CREATE TABLE IF NOT EXISTS reviews (
-        id INTEGER PRIMARY KEY AUTOINCREMENT,
-        website TEXT,
-        rating INTEGER,
-        text TEXT,
-        created_at TEXT
-    )
-    """)
-
-    conn.commit()
-    conn.close()
-    return {"status": "ok"}
-
 @app.delete("/review")
 def delete_review(auth=Depends(get_api_key)):
-    conn = sqlite3.connect("database/reviews.db")
+    with sem_db:
+        conn = sqlite3.connect(
+            "database/reviews.db",
+            check_same_thread=False
+        )
         cur = conn.cursor()
 
         cur.execute("""