Docker: переходим на alpine-image (#19)

.dockerignore

@@ -1,7 +1,6 @@
-.idea
-.run
-node_modules
-.gitignore
-checkstyle.xml
-README.md
-
+# Ignore everything
+**
+# But JAR should stay
+!target/whoami.jar
+# Add entrypoint
+!docker-entrypoint.sh

.run/Dockerfile.run.xml

@@ -2,12 +2,8 @@
  <configuration default="false" name="Dockerfile" type="docker-deploy" factoryName="dockerfile" server-name="Docker">
  <deployment type="dockerfile">
  <settings>
- <option name="imageTag" value="" />
- <option name="buildCliOptions" value="" />
- <option name="command" value="" />
  <option name="containerName" value="" />
- <option name="entrypoint" value="" />
- <option name="commandLineOptions" value="" />
+ <option name="showCommandPreview" value="true" />
  <option name="sourceFilePath" value="Dockerfile" />
  </settings>
  </deployment>

Dockerfile

@@ -16,8 +16,8 @@ VOLUME /tmp
 COPY ./target/whoami.jar /app/
 COPY ./docker-entrypoint.sh /
 
-RUN sh -c 'chmod +x /docker-entrypoint.sh'
-
+RUN chmod +x /docker-entrypoint.sh
+# RUN ls -al /
 ENTRYPOINT /docker-entrypoint.sh
 
 EXPOSE 8080

docker-entrypoint.sh

@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/bin/sh
 
 JAVA_OPTS=${JAVA_OPTS}
 
@@ -14,14 +14,6 @@ export JAVA_OPTS="$JAVA_OPTS -XX:+UseContainerSupport"
 export JAVA_OPTS="$JAVA_OPTS -XX:+AlwaysActAsServerClassMachine"
 export JAVA_OPTS="$JAVA_OPTS -XX:+HeapDumpOnOutOfMemoryError -XX:HeapDumpPath=/opt/dumps"
 
-## Issue 264 (OpenJ9 tuning). Based on https://yals.ee/dUxHlC
-export JAVA_OPTS="$JAVA_OPTS -Xgcpolicy:gencon"
-export JAVA_OPTS="$JAVA_OPTS -Xquickstart"
-export JAVA_OPTS="$JAVA_OPTS -Xtune:virtualized"
-export JAVA_OPTS="$JAVA_OPTS -XX:+ClassRelationshipVerifier"
-export JAVA_OPTS="$JAVA_OPTS -XX:+TransparentHugePage"
-## End OpenJ9 tuning
-
 # Vaadin Production Mode #
 export JAVA_OPTS="$JAVA_OPTS -Dvaadin.production=true"
 # End Vaadin Production Mode #