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Merge pull request #40 from ContainerSolutions/nginx-www
webserver sample
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‎.travis.yml

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language: java
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dist: bionic
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before_install:
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- openssl aes-256-cbc -K $encrypted_fda1a939a5f2_key -iv $encrypted_fda1a939a5f2_iv
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-in maven-settings.xml.enc -out maven-settings.xml -d
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dist: bionic

‎README.md

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# java-operator-sdk
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[![Build Status](https://travis-ci.org/ContainerSolutions/java-operator-sdk.svg?branch=master)](https://travis-ci.org/ContainerSolutions/java-operator-sdk)
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> This project is in incubation phase.
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SDK for building Kubernetes Operators in Java. Inspired by [operator-sdk](https://github.com/operator-framework/operator-sdk).

‎maven-settings.xml.enc

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‎samples/pom.xml

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<module>common</module>
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<module>pure-java</module>
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<module>spring-boot</module>
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<module>webserver</module>
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</modules>
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</project>

‎samples/webserver/Dockerfile

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FROM openjdk:12-alpine
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ENTRYPOINT ["java", "-jar", "/usr/share/operator/operator.jar"]
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ARG JAR_FILE
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ADD target/${JAR_FILE} /usr/share/operator/operator.jar
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‎samples/webserver/README.md

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# WebServer Operator
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This is a more complex example of how a Custom Resource backed by an Operator can serve as
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an abstraction layer. This Operator will use an webserver resource, which mainly contains a
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static webpage definition and creates a nginx Deployment backed by a ConfigMap which holds
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the html.
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This is an example input:
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```yaml
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apiVersion: "sample.javaoperatorsdk/v1"
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kind: WebServer
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metadata:
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name: mynginx-hello
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spec:
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html: |
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<html>
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<head>
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<title>Webserver Operator</title>
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</head>
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<body>
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Hello World!!
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</body>
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</html>
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```

‎samples/webserver/crd/crd.yaml

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apiVersion: apiextensions.k8s.io/v1beta1
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kind: CustomResourceDefinition
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metadata:
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name: webservers.sample.javaoperatorsdk
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spec:
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group: sample.javaoperatorsdk
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version: v1
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scope: Namespaced
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names:
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plural: webservers
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singular: webserver
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kind: WebServer
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shortNames:
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- ws
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validation:
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openAPIV3Schema:
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type: object
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properties:
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spec:
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type: object
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properties:
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html:
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type: string

‎samples/webserver/crd/webserver.yaml

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apiVersion: "sample.javaoperatorsdk/v1"
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kind: WebServer
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metadata:
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name: hellows
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spec:
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html: |
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<html>
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<head>
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<title>Hello Operator World</title>
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</head>
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<body>
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Hellooooo!! Operators!!
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</body>
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</html>

‎samples/webserver/k8s/deployment.yaml

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apiVersion: apps/v1
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kind: Deployment
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metadata:
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name: webserver-operator
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namespace: webserver-operator
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spec:
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selector:
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matchLabels:
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app: webserver-operator
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replicas: 1
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template:
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metadata:
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labels:
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app: webserver-operator
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spec:
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serviceAccount: webserver-operator
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containers:
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- name: operator
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image: webserver-operator
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imagePullPolicy: Never
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ports:
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- containerPort: 80
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readinessProbe:
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httpGet:
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path: /health
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port: 8080
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initialDelaySeconds: 1
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timeoutSeconds: 1
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livenessProbe:
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httpGet:
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path: /health
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port: 8080
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initialDelaySeconds: 30
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timeoutSeconds: 1
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---
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apiVersion: v1
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kind: ServiceAccount
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metadata:
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name: webserver-operator
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namespace: webserver-operator
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---
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apiVersion: rbac.authorization.k8s.io/v1
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kind: ClusterRoleBinding
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metadata:
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name: operator-admin
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subjects:
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- kind: ServiceAccount
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name: webserver-operator
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namespace: webserver-operator
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roleRef:
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kind: ClusterRole
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name: cluster-admin
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apiGroup: ""

‎samples/webserver/pom.xml

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<?xml version="1.0" encoding="UTF-8"?>
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<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
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xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
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<modelVersion>4.0.0</modelVersion>
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<groupId>com.github.containersolutions</groupId>
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<artifactId>webserver-sample</artifactId>
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<version>0.3.2-SNAPSHOT</version>
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<packaging>jar</packaging>
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<properties>
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<java.version>11</java.version>
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</properties>
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<dependencies>
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<dependency>
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<groupId>com.github.containersolutions</groupId>
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<artifactId>operator-framework</artifactId>
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<version>${project.version}</version>
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</dependency>
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<dependency>
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<groupId>org.junit.jupiter</groupId>
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<artifactId>junit-jupiter-engine</artifactId>
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<version>5.4.2</version>
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</dependency>
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<dependency>
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<groupId>org.apache.logging.log4j</groupId>
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<artifactId>log4j-slf4j-impl</artifactId>
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<version>2.11.2</version>
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</dependency>
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<dependency>
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<groupId>org.takes</groupId>
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<artifactId>takes</artifactId>
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<version>1.17</version>
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</dependency>
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</dependencies>
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<build>
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<plugins>
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<plugin>
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<groupId>org.apache.maven.plugins</groupId>
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<artifactId>maven-compiler-plugin</artifactId>
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<version>3.8.1</version>
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<configuration>
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<release>${java.version}</release>
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</configuration>
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</plugin>
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<plugin>
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<groupId>com.spotify</groupId>
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<artifactId>dockerfile-maven-plugin</artifactId>
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<version>1.4.12</version>
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<executions>
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<execution>
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<id>default</id>
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<phase>install</phase>
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<goals>
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<goal>build</goal>
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</goals>
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</execution>
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</executions>
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<configuration>
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<repository>webserver-operator</repository>
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<tag>latest</tag>
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<buildArgs>
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<JAR_FILE>${project.build.finalName}.jar</JAR_FILE>
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</buildArgs>
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</configuration>
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</plugin>
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<plugin>
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<groupId>org.apache.maven.plugins</groupId>
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<artifactId>maven-shade-plugin</artifactId>
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<version>2.4.3</version>
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<executions>
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<execution>
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<phase>package</phase>
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<goals>
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<goal>shade</goal>
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</goals>
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<configuration>
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<createDependencyReducedPom>false</createDependencyReducedPom>
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<transformers>
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<transformer implementation="org.apache.maven.plugins.shade.resource.ServicesResourceTransformer" />
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<transformer implementation="org.apache.maven.plugins.shade.resource.ManifestResourceTransformer">
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<manifestEntries>
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<Main-Class>com.github.containersolutions.operator.sample.WebServerOperator</Main-Class>
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<Build-Number>1.0</Build-Number>
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<Multi-Release>true</Multi-Release>
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</manifestEntries>
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</transformer>
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</transformers>
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<filters>
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<filter>
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<artifact>io.fabric8:openshift-client</artifact>
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<excludes>
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<exclude>io/fabric8/kubernetes/client/Config*</exclude>
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</excludes>
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</filter>
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</filters>
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</configuration>
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</execution>
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</executions>
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</plugin>
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</plugins>
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</build>
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</project>

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