simple Python app that conencts to db

app/main.py

@@ -0,0 +1,35 @@
+import os
+import psycopg2
+import time
+
+
+DB_USER = os.getenv("POSTGRES_USER");
+DB_PASSWWORD = os.getenv("POSTGRES_PASSWORD");
+DB_NAME = os.getenv("POSTGRES_DB");
+DB_HOST = os.getenv("POSTGRES_HOST");
+
+
+
+def connect_db():
+    while True:
+        try:
+            conn = psycopg2.connect(
+                host=DB_HOST,
+                database=DB_NAME,
+                user=DB_USER,
+                password=DB_PASSWWORD
+            )
+            print("Connected to the database successfully!")
+            return conn
+        except psycopg2.OperationalError as e:
+            print(f"Database connection failed: {e}")
+            time.sleep(3)
+
+
+if __name__ == "__main__":
+    print("starting app.")
+    conn = connect_db();
+    cursor = conn.cursor()
+    cursor.execute("SELECT postgis_full_version();")
+
+    print("obst", cursor.fetchone());