BAEL-4148: Demo app for spring boot and Docker
This commit is contained in:
Michael Pratt
+310
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Vendored
+182
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@REM ----------------------------------------------------------------------------
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@REM Licensed to the Apache Software Foundation (ASF) under one
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@REM or more contributor license agreements. See the NOTICE file
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@REM distributed with this work for additional information
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@REM regarding copyright ownership. The ASF licenses this file
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@REM to you under the Apache License, Version 2.0 (the
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@REM "License"); you may not use this file except in compliance
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@REM with the License. You may obtain a copy of the License at
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@REM
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@REM https://www.apache.org/licenses/LICENSE-2.0
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@REM
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@REM Unless required by applicable law or agreed to in writing,
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@REM software distributed under the License is distributed on an
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@REM "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
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@REM KIND, either express or implied. See the License for the
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@REM specific language governing permissions and limitations
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@REM under the License.
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@REM ----------------------------------------------------------------------------
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@REM ----------------------------------------------------------------------------
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@REM Maven Start Up Batch script
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@REM
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@REM Required ENV vars:
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@REM JAVA_HOME - location of a JDK home dir
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@REM
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@REM Optional ENV vars
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@REM M2_HOME - location of maven2's installed home dir
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@REM MAVEN_BATCH_ECHO - set to 'on' to enable the echoing of the batch commands
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@REM MAVEN_BATCH_PAUSE - set to 'on' to wait for a keystroke before ending
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@REM MAVEN_OPTS - parameters passed to the Java VM when running Maven
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@REM e.g. to debug Maven itself, use
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@REM set MAVEN_OPTS=-Xdebug -Xrunjdwp:transport=dt_socket,server=y,suspend=y,address=8000
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@REM MAVEN_SKIP_RC - flag to disable loading of mavenrc files
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@REM ----------------------------------------------------------------------------
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@REM Begin all REM lines with '@' in case MAVEN_BATCH_ECHO is 'on'
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@echo off
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@REM set title of command window
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title %0
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@REM enable echoing by setting MAVEN_BATCH_ECHO to 'on'
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@if "%MAVEN_BATCH_ECHO%" == "on" echo %MAVEN_BATCH_ECHO%
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@REM set %HOME% to equivalent of $HOME
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if "%HOME%" == "" (set "HOME=%HOMEDRIVE%%HOMEPATH%")
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@REM Execute a user defined script before this one
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if not "%MAVEN_SKIP_RC%" == "" goto skipRcPre
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@REM check for pre script, once with legacy .bat ending and once with .cmd ending
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if exist "%HOME%\mavenrc_pre.bat" call "%HOME%\mavenrc_pre.bat"
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if exist "%HOME%\mavenrc_pre.cmd" call "%HOME%\mavenrc_pre.cmd"
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:skipRcPre
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@setlocal
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set ERROR_CODE=0
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@REM To isolate internal variables from possible post scripts, we use another setlocal
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@setlocal
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@REM ==== START VALIDATION ====
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if not "%JAVA_HOME%" == "" goto OkJHome
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echo.
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echo Error: JAVA_HOME not found in your environment. >&2
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echo Please set the JAVA_HOME variable in your environment to match the >&2
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echo location of your Java installation. >&2
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echo.
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goto error
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:OkJHome
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if exist "%JAVA_HOME%\bin\java.exe" goto init
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echo.
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echo Error: JAVA_HOME is set to an invalid directory. >&2
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echo JAVA_HOME = "%JAVA_HOME%" >&2
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echo Please set the JAVA_HOME variable in your environment to match the >&2
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echo location of your Java installation. >&2
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echo.
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goto error
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@REM ==== END VALIDATION ====
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:init
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@REM Find the project base dir, i.e. the directory that contains the folder ".mvn".
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@REM Fallback to current working directory if not found.
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set MAVEN_PROJECTBASEDIR=%MAVEN_BASEDIR%
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IF NOT "%MAVEN_PROJECTBASEDIR%"=="" goto endDetectBaseDir
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set EXEC_DIR=%CD%
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set WDIR=%EXEC_DIR%
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:findBaseDir
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IF EXIST "%WDIR%"\.mvn goto baseDirFound
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cd ..
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IF "%WDIR%"=="%CD%" goto baseDirNotFound
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set WDIR=%CD%
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goto findBaseDir
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:baseDirFound
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set MAVEN_PROJECTBASEDIR=%WDIR%
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cd "%EXEC_DIR%"
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goto endDetectBaseDir
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:baseDirNotFound
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set MAVEN_PROJECTBASEDIR=%EXEC_DIR%
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cd "%EXEC_DIR%"
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:endDetectBaseDir
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IF NOT EXIST "%MAVEN_PROJECTBASEDIR%\.mvn\jvm.config" goto endReadAdditionalConfig
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@setlocal EnableExtensions EnableDelayedExpansion
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for /F "usebackq delims=" %%a in ("%MAVEN_PROJECTBASEDIR%\.mvn\jvm.config") do set JVM_CONFIG_MAVEN_PROPS=!JVM_CONFIG_MAVEN_PROPS! %%a
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@endlocal & set JVM_CONFIG_MAVEN_PROPS=%JVM_CONFIG_MAVEN_PROPS%
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:endReadAdditionalConfig
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SET MAVEN_JAVA_EXE="%JAVA_HOME%\bin\java.exe"
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set WRAPPER_JAR="%MAVEN_PROJECTBASEDIR%\.mvn\wrapper\maven-wrapper.jar"
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set WRAPPER_LAUNCHER=org.apache.maven.wrapper.MavenWrapperMain
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set DOWNLOAD_URL="https://repo.maven.apache.org/maven2/io/takari/maven-wrapper/0.5.6/maven-wrapper-0.5.6.jar"
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FOR /F "tokens=1,2 delims==" %%A IN ("%MAVEN_PROJECTBASEDIR%\.mvn\wrapper\maven-wrapper.properties") DO (
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IF "%%A"=="wrapperUrl" SET DOWNLOAD_URL=%%B
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)
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@REM Extension to allow automatically downloading the maven-wrapper.jar from Maven-central
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@REM This allows using the maven wrapper in projects that prohibit checking in binary data.
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if exist %WRAPPER_JAR% (
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if "%MVNW_VERBOSE%" == "true" (
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echo Found %WRAPPER_JAR%
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)
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) else (
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if not "%MVNW_REPOURL%" == "" (
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SET DOWNLOAD_URL="%MVNW_REPOURL%/io/takari/maven-wrapper/0.5.6/maven-wrapper-0.5.6.jar"
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)
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if "%MVNW_VERBOSE%" == "true" (
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echo Couldn't find %WRAPPER_JAR%, downloading it ...
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echo Downloading from: %DOWNLOAD_URL%
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)
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powershell -Command "&{"^
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"$webclient = new-object System.Net.WebClient;"^
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"if (-not ([string]::IsNullOrEmpty('%MVNW_USERNAME%') -and [string]::IsNullOrEmpty('%MVNW_PASSWORD%'))) {"^
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"$webclient.Credentials = new-object System.Net.NetworkCredential('%MVNW_USERNAME%', '%MVNW_PASSWORD%');"^
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"}"^
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"[Net.ServicePointManager]::SecurityProtocol = [Net.SecurityProtocolType]::Tls12; $webclient.DownloadFile('%DOWNLOAD_URL%', '%WRAPPER_JAR%')"^
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"}"
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if "%MVNW_VERBOSE%" == "true" (
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echo Finished downloading %WRAPPER_JAR%
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)
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)
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@REM End of extension
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@REM Provide a "standardized" way to retrieve the CLI args that will
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@REM work with both Windows and non-Windows executions.
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set MAVEN_CMD_LINE_ARGS=%*
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%MAVEN_JAVA_EXE% %JVM_CONFIG_MAVEN_PROPS% %MAVEN_OPTS% %MAVEN_DEBUG_OPTS% -classpath %WRAPPER_JAR% "-Dmaven.multiModuleProjectDirectory=%MAVEN_PROJECTBASEDIR%" %WRAPPER_LAUNCHER% %MAVEN_CONFIG% %*
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if ERRORLEVEL 1 goto error
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goto end
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:error
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set ERROR_CODE=1
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:end
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@endlocal & set ERROR_CODE=%ERROR_CODE%
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if not "%MAVEN_SKIP_RC%" == "" goto skipRcPost
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@REM check for post script, once with legacy .bat ending and once with .cmd ending
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if exist "%HOME%\mavenrc_post.bat" call "%HOME%\mavenrc_post.bat"
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if exist "%HOME%\mavenrc_post.cmd" call "%HOME%\mavenrc_post.cmd"
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:skipRcPost
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@REM pause the script if MAVEN_BATCH_PAUSE is set to 'on'
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if "%MAVEN_BATCH_PAUSE%" == "on" pause
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if "%MAVEN_TERMINATE_CMD%" == "on" exit %ERROR_CODE%
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exit /B %ERROR_CODE%
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@@ -0,0 +1,54 @@
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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 https://maven.apache.org/xsd/maven-4.0.0.xsd">
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<modelVersion>4.0.0</modelVersion>
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<parent>
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<groupId>org.springframework.boot</groupId>
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<artifactId>spring-boot-starter-parent</artifactId>
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<version>2.3.1.RELEASE</version>
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<relativePath/> <!-- lookup parent from repository -->
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</parent>
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<groupId>com.baeldung.docker</groupId>
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<artifactId>spring-boot-docker</artifactId>
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<version>0.0.1-SNAPSHOT</version>
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<name>spring-boot-docker</name>
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<description>Demo project showing Spring Boot and Docker</description>
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<properties>
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<java.version>8</java.version>
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</properties>
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<dependencies>
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<dependency>
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<groupId>org.springframework.boot</groupId>
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<artifactId>spring-boot-starter-web</artifactId>
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</dependency>
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<dependency>
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<groupId>org.springframework.boot</groupId>
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<artifactId>spring-boot-starter-test</artifactId>
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<scope>test</scope>
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<exclusions>
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<exclusion>
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<groupId>org.junit.vintage</groupId>
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<artifactId>junit-vintage-engine</artifactId>
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</exclusion>
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</exclusions>
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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.springframework.boot</groupId>
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<artifactId>spring-boot-maven-plugin</artifactId>
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<configuration>
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<layers>
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<enabled>true</enabled>
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</layers>
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</configuration>
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</plugin>
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</plugins>
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</build>
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</project>
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@@ -0,0 +1,15 @@
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# To build, run the following command from the top level project directory:
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#
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# docker build -f src/main/docker/Dockerfile .
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FROM adoptopenjdk:11-jre-hotspot as builder
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ARG JAR_FILE=target/*.jar
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COPY ${JAR_FILE} application.jar
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RUN java -Djarmode=layertools -jar application.jar extract
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FROM adoptopenjdk:11-jre-hotspot
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COPY --from=builder dependencies/ ./
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COPY --from=builder snapshot-dependencies/ ./
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COPY --from=builder spring-boot-loader/ ./
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COPY --from=builder application/ ./
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ENTRYPOINT ["java", "org.springframework.boot.loader.JarLauncher"]
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@@ -0,0 +1,13 @@
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package com.baeldung.docker;
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import org.springframework.boot.SpringApplication;
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import org.springframework.boot.autoconfigure.SpringBootApplication;
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@SpringBootApplication
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public class DemoApplication {
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public static void main(String[] args) {
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SpringApplication.run(DemoApplication.class, args);
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}
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}
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@@ -0,0 +1,16 @@
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package com.baeldung.docker;
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import org.springframework.http.ResponseEntity;
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import org.springframework.web.bind.annotation.GetMapping;
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import org.springframework.web.bind.annotation.RestController;
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@RestController
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public class HelloController {
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@GetMapping("/hello")
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public ResponseEntity<String> hello()
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{
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return ResponseEntity.ok("hello2 ");
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}
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}
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