fix db authentication error

Author: Amelie-Artmann

app/config.py

@@ -10,12 +10,12 @@
 BATCH_SIZE = 50
 
 MODEL_EMBEDDING = "mistral-embed"
-MODEL_GENERATION = "mistral-small-2506"
+MODEL_GENERATION = "mistral-medium-2508" # alternatively use: "mistral-small-2506"
 
-DB_NAME = "embedding_db"
-DB_HOST = "localhost"
+DB_NAME = os.getenv("POSTGRES_DB")
+DB_HOST = "db"
 DB_PORT = 5432
-DB_USER = os.getenv("DB_USER")
-DB_PASSWORD = os.getenv("DB_PASSWORD")
+DB_USER = os.getenv("POSTGRES_USER")
+DB_PASSWORD = os.getenv("POSTGRES_PASSWORD")
 
 API_KEY = os.getenv("API_KEY")

requirements.txt

@@ -1,5 +1,5 @@
 Flask>=3.0
-mistralai>=1.12
+mistralai==1.2.0
 psycopg2-binary>=2.9
 python-dotenv>=1.0
 Flask-Limiter>=3.5