problems net

app.py

@@ -1,25 +1,22 @@
 import psycopg2
 
-print('Can`t establish connection to database')
-
-'''
-conn = psycopg2.connect(
+try:
+        conn = psycopg2.connect(
             dbname="kolchin",
             user="kolchin",
             password="postgres",
             host="pg",
             port="5432"
-)
+        )
+except:
+         print('Can`t establish connection to database')
+#print(conn)
 
 cursor = conn.cursor()
 
-with conn.cursor() as curs:
-    curs.execute(CREATE TABLE IF NOT EXISTS tablee(
-    name varchar(10) NOT NULL,                                 
-    surname varchar,
-    city varchar,
-    age smallint
-    );)
+cursor.execute('CREATE TABLE IF NOT EXISTS tablee(name varchar(10) NOT NULL,surname varchar,city varchar,age smallint);')
+
 conn.commit()
-conn.close()
-'''
+cursor.close() # закрываем курсор
+conn.close() # закрываем соединение
+

docker-compose.yaml

@@ -13,8 +13,11 @@ services:
     restart: unless-stopped
     networks:
       - pg-net
+        #ipv4_address: 192.168.100.2
+    ports:
+      - 10500:5432
     healthcheck:
-      test: ["CMD-SHELL", "pg_isready -U postgres"]
+      test: ["CMD-SHELL", "pg_isready -U kolchin"]
       interval: 5s
       timeout: 10s
       retries: 3
@@ -29,23 +32,29 @@ services:
     restart: unless-stopped
     networks:
       - pg-net
+        #ipv4_address: 192.168.100.3
+    depends_on:
+      pg:
+        condition: service_healthy
+  app:
+    build:
+      context: ./
+      args:
+        PYTHON_VERSION: "3.10"
+        UID: 10002
+    container_name: python-app
+    networks:
+      - pg-net
+        #ipv4_address: 192.168.100.4
     depends_on:
       pg:
         condition: service_healthy
-#  app:
-#    build:
-#      context: ./
-#      args:
-#        PYTHON_VERSION: "3.10"
-#        UID: 10002
-#    container_name: python-app
-#    networks:
-#      - pg-net
-#    depends_on:
-#      pg:
-#        condition: service_healthy
-
 volumes:
   pg-data:
 networks:
   pg-net:
+    #driver: bridge
+    #ipam:
+    #  config:
+    #    - subnet: 192.168.100.0/24
+    #    - gateway: 192.168.100.1