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[英]Unable to run Python flask app in different port using docker-compose
[英]I am trying to run a flask app and kafka through docker compose..but unable to set things right
我正在尝试通过 docker compose..with kafka 运行一个烧瓶应用程序。 我正在一起运行flask应用程序和consumer.py。 当我通过flask api调用producer.py时,它似乎在发送数据但消费者没有收到任何东西。 因为我同时运行烧瓶应用程序和消费者文件..我也看不到日志......有人可以帮忙..
我的 docker-compose 文件
version: '3'
services:
zookeeper:
image: wurstmeister/zookeeper
container_name: "zoo1"
ports:
- "2181:2181"
kafka:
image: wurstmeister/kafka
container_name: "kafka1"
ports:
- "9092:9092"
expose:
- "9093"
depends_on:
- zookeeper
environment:
KAFKA_ADVERTISED_LISTENERS: INSIDE://kafka:9093,OUTSIDE://localhost:9092
KAFKA_LISTENER_SECURITY_PROTOCOL_MAP: INSIDE:PLAINTEXT,OUTSIDE:PLAINTEXT
KAFKA_LISTENERS: INSIDE://0.0.0.0:9093,OUTSIDE://0.0.0.0:9092
KAFKA_INTER_BROKER_LISTENER_NAME: INSIDE
KAFKA_ZOOKEEPER_CONNECT: zookeeper:2181
KAFKA_CREATE_TOPICS: "test:1:1"
KAFKA_AUTO_CREATE_TOPICS_ENABLE: 'true'
volumes:
- /var/run/docker.sock:/var/run/docker.sock
backend:
build: .
image: backend:v1
command: bash -c "python3 run.py run && python run.py consumer"
container_name: backend
restart: always
volumes:
- .:/app
ports:
- '5000:5000'
depends_on:
- mongodb
- neodb
- elasticsearch
- kafka
我的制作人.py
from kafka import KafkaProducer
from json import dumps
class Producer:
def __init__(self):
pass
def producer(self, topic,data):
producer = KafkaProducer(
value_serializer=lambda m: dumps(m).encode('utf-8'),
bootstrap_servers=['kafka:9092','kafka:9093','172.17.0.1:32783','172.17.0.1:32782','172.17.0.1:32781'])
producer.send(topic, data)
我的消费者.py
from kafka import KafkaConsumer
from json import loads
import os
class Consumer:
def consumer(self,topic):
print("hello")
consumer = KafkaConsumer(
topic,
auto_offset_reset='latest',
enable_auto_commit=True,
group_id='my-group-1',
value_deserializer=lambda m: loads(m.decode('utf-8')),
bootstrap_servers=['kafka:9092','kafka:9093','172.17.0.1:32783','172.17.0.1:32782','172.17.0.1:32781'])
while True:
dirName = "bad"
if not os.path.exists(dirName):
os.mkdir(dirName)
for m in consumer:
pass
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