From 934820274bb5b203a1b1987631107c03dc8e0591 Mon Sep 17 00:00:00 2001
From: Hubert Van De Walle <hubv@protonmail.com>
Date: Fri, 14 Aug 2020 08:05:50 +0200
Subject: [PATCH] Leaner docker image

---
 Dockerfile                                 | 6 ++++--
 app/pom.xml                                | 7 +++++++
 persistance/src/main/resources/logback.xml | 4 ++--
 pom.xml                                    | 5 +++++
 4 files changed, 18 insertions(+), 4 deletions(-)

diff --git a/Dockerfile b/Dockerfile
index 5cbc5c1..6f30e6a 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -20,11 +20,13 @@ RUN mvn -Dstyle.color=always package
 
 FROM openjdk:14-alpine as jdkbuilder
 
-COPY --from=builder /tmp/app/target/app-*.jar /app/app.jar
+RUN apk add --no-cache binutils
 
 ENV MODULES java.base,java.compiler,java.desktop,java.instrument,java.logging,java.management,java.naming,java.scripting,java.security.jgss,java.sql,java.sql.rowset,java.transaction.xa,java.xml,jdk.net
 
-RUN jlink --output /myjdk --module-path $JAVA_HOME/jmods --add-modules $MODULES
+RUN jlink --output /myjdk --module-path $JAVA_HOME/jmods --add-modules $MODULES --no-header-files --no-man-pages --strip-debug --compress=2
+
+RUN strip -p --strip-unneeded /myjdk/lib/server/libjvm.so
 
 FROM alpine
 
diff --git a/app/pom.xml b/app/pom.xml
index f2c1b1b..e0595b0 100644
--- a/app/pom.xml
+++ b/app/pom.xml
@@ -56,6 +56,7 @@
             <groupId>org.http4k</groupId>
             <artifactId>http4k-testing-hamkrest</artifactId>
             <version>3.254.0</version>
+            <scope>test</scope>
         </dependency>
     </dependencies>
 
@@ -98,6 +99,12 @@
                                         <include>**</include>
                                     </includes>
                                 </filter>
+                                <filter>
+                                    <artifact>org.eclipse.jetty:*</artifact>
+                                    <includes>
+                                        <include>**</include>
+                                    </includes>
+                                </filter>
                                 <filter>
                                     <artifact>*:*</artifact>
                                     <excludes>
diff --git a/persistance/src/main/resources/logback.xml b/persistance/src/main/resources/logback.xml
index 78f1512..c0633b0 100644
--- a/persistance/src/main/resources/logback.xml
+++ b/persistance/src/main/resources/logback.xml
@@ -6,10 +6,10 @@
             </pattern>
         </encoder>
     </appender>
-    <root level="TRACE">
+    <root level="INFO">
         <appender-ref ref="STDOUT"/>
     </root>
-    <logger name="org.eclipse.jetty" level="WARN"/>
+    <logger name="org.eclipse.jetty" level="INFO"/>
     <logger name="me.liuwj.ktorm.database" level="INFO"/>
     <logger name="com.zaxxer.hikari" level="INFO"/>
     <logger name="org.flywaydb.core" level="INFO"/>
diff --git a/pom.xml b/pom.xml
index b35b4a5..31b2624 100644
--- a/pom.xml
+++ b/pom.xml
@@ -119,6 +119,11 @@
                 <artifactId>maven-compiler-plugin</artifactId>
                 <version>3.8.1</version>
             </plugin>
+            <plugin>
+                <groupId>org.apache.maven.plugins</groupId>
+                <artifactId>maven-dependency-plugin</artifactId>
+                <version>3.1.2</version>
+            </plugin>
             <plugin>
                 <artifactId>kotlin-maven-plugin</artifactId>
                 <groupId>org.jetbrains.kotlin</groupId>