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vrrp_instance VI_1 {
 interface ens33
 state MASTER
 virtual_router_id 51
 priority 101
 virtual_ipaddress {
  192.168.10.166
 }
}

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import requests 
import json
import time
from kafka import KafkaProducer
 
token = 'use your own API Token'
url = 'https://api.um.warszawa.pl/api/action/busestrams_get/'
resource_id = 'f2e5503e927d-4ad3-9500-4ab9e55deb59'
sleep_time = 15
 

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version: '3.3'
services:
    zookeeper:
        image: 'bitnami/zookeeper:3'
        ports:
            - '2181:2181'
        volumes:
            - 'zookeeper_data:/bitnami'
        environment:
            - ALLOW_ANONYMOUS_LOGIN=yes

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FROM maven:3-openjdk-8-slim AS BUILD
COPY pom.xml /tmp/
COPY src /tmp/src/
WORKDIR /tmp/
RUN mvn package

FROM openjdk:8-alpine AS RUNTIME
RUN apk update && apk add --no-cache libc6-compat
RUN ln -s /lib64/ld-linux-x86-64.so.2 /lib/ld-linux-x86-64.so.2
WORKDIR /app/

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...
    public ZtmStream() {
        inputTopic = EnvTools.getEnvValue(EnvTools.INPUT_TOPIC, "ztm-input");
        outputTopic = EnvTools.getEnvValue(EnvTools.OUTPUT_TOPIC, "ztm-output");
    }
...
private static Properties createProperties() {
        Properties props = new Properties();
        String appIdConfig = EnvTools.getEnvValue(EnvTools.APPLICATION_ID_CONFIG, "wiaderko-ztm-stream");
        String bootstrapServersConfig =  EnvTools.getEnvValue(EnvTools.BOOTSTRAP_SERVERS_CONFIG, "localhost:29092");

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public class EnvTools {
    public static final String INPUT_TOPIC = "INPUT_TOPIC";
    public static final String OUTPUT_TOPIC = "OUTPUT_TOPIC";
    public static final String APPLICATION_ID_CONFIG = "APPLICATION_ID_CONFIG";
    public static final String BOOTSTRAP_SERVERS_CONFIG = "BOOTSTRAP_SERVERS_CONFIG";
 
    public static String getEnvValue(String environmentKey, String defaultValue)
    {
        String envValue = System.getenv(environmentKey);
        if(envValue != null && !envValue.isEmpty())

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...
<build>
        <plugins>
            <plugin>
                <groupId>org.apache.maven.plugins</groupId>
                <artifactId>maven-compiler-plugin</artifactId>
                <version>3.1</version>
                <configuration>
                    <source>1.8</source>
                    <target>1.8</target>