initial commit

.gitignore

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+build
+.idea
+.gradle

build.gradle

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+buildscript {
+	ext {
+		springBootVersion = '1.4.2.RELEASE'
+	}
+	repositories {
+		mavenCentral()
+	}
+	dependencies {
+		classpath("org.springframework.boot:spring-boot-gradle-plugin:${springBootVersion}")
+	}
+}
+
+apply plugin: 'java'
+apply plugin: 'eclipse'
+apply plugin: 'org.springframework.boot'
+
+jar {
+	baseName = 'demo-service'
+	version = '0.0.1-SNAPSHOT'
+}
+sourceCompatibility = 1.8
+targetCompatibility = 1.8
+
+repositories {
+	mavenCentral()
+}
+
+
+dependencies {
+	compile('org.springframework.boot:spring-boot-starter-web')
+	compile('org.springframework.boot:spring-boot-starter-actuator')
+	testCompile('org.springframework.boot:spring-boot-starter-test')
+}

docker/README.md

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+Build minimal java 8 image in
+
+cd minimal-java
+docker build -t b7i/minimal-java .
+
+cd demo-service
+docker build -t b7i/demo-service:latest .
+
+docker run -p 8090:8090 -t --name demo-service --rm b7i/demo-service:latest
+docker stop demo-service
+
+docker login
+docker tag b7i/demo-service sbrosinski/demo-service
+docker push sbrosinski/demo-service
+

docker/demo-service/Dockerfile

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+FROM b7i/minimal-java
+
+VOLUME /tmp
+EXPOSE 8090
+ADD demo-service-0.0.1-SNAPSHOT.jar app.jar
+RUN sh -c 'touch /app.jar'
+ENV JAVA_OPTS=""
+ENTRYPOINT [ "sh", "-c", "java $JAVA_OPTS -Djava.security.egd=file:/dev/./urandom -jar /app.jar" ]

docker/minimal-java/Dockerfile

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+# AlpineLinux with a glibc-2.23 and Oracle Java 8
+FROM alpine:3.4
+
+MAINTAINER Anastas Dancha <anapsix@random.io>
+# thanks to Vladimir Krivosheev <develar@gmail.com> aka @develar for smaller image
+# and Victor Palma <palma.victor@gmail.com> aka @devx for pointing it out
+
+# Java Version and other ENV
+ENV JAVA_VERSION_MAJOR=8 \
+    JAVA_VERSION_MINOR=102 \
+    JAVA_VERSION_BUILD=14 \
+    JAVA_PACKAGE=server-jre \
+    JAVA_JCE=unlimited \
+    JAVA_HOME=/opt/jdk \
+    PATH=${PATH}:/opt/jdk/bin \
+    GLIBC_VERSION=2.23-r3 \
+    LANG=C.UTF-8
+
+# do all in one step
+RUN apk upgrade --update && \
+    apk add --update libstdc++ curl ca-certificates bash && \
+    for pkg in glibc-${GLIBC_VERSION} glibc-bin-${GLIBC_VERSION} glibc-i18n-${GLIBC_VERSION}; do curl -sSL https://github.com/andyshinn/alpine-pkg-glibc/releases/download/${GLIBC_VERSION}/${pkg}.apk -o /tmp/${pkg}.apk; done && \
+    apk add --allow-untrusted /tmp/*.apk && \
+    rm -v /tmp/*.apk && \
+    ( /usr/glibc-compat/bin/localedef --force --inputfile POSIX --charmap UTF-8 C.UTF-8 || true ) && \
+    echo "export LANG=C.UTF-8" > /etc/profile.d/locale.sh && \
+    /usr/glibc-compat/sbin/ldconfig /lib /usr/glibc-compat/lib && \
+    mkdir /opt && \
+    curl -jksSLH "Cookie: oraclelicense=accept-securebackup-cookie" -o /tmp/java.tar.gz \
+      http://download.oracle.com/otn-pub/java/jdk/${JAVA_VERSION_MAJOR}u${JAVA_VERSION_MINOR}-b${JAVA_VERSION_BUILD}/${JAVA_PACKAGE}-${JAVA_VERSION_MAJOR}u${JAVA_VERSION_MINOR}-linux-x64.tar.gz && \
+    curl -jksSLH "Cookie: oraclelicense=accept-securebackup-cookie" -o /tmp/jce_policy-${JAVA_VERSION_MAJOR}.zip \
+      http://download.oracle.com/otn-pub/java/jce/${JAVA_VERSION_MAJOR}/jce_policy-${JAVA_VERSION_MAJOR}.zip && \
+    gunzip /tmp/java.tar.gz && \
+    tar -C /opt -xf /tmp/java.tar && \
+    ln -s /opt/jdk1.${JAVA_VERSION_MAJOR}.0_${JAVA_VERSION_MINOR} /opt/jdk && \
+    find /opt/jdk/ -maxdepth 1 -mindepth 1 | grep -v jre | xargs rm -rf && \
+    cd /opt/jdk/ && ln -s ./jre/bin ./bin && \
+    if [ "${JAVA_JCE}" == "unlimited" ]; then echo "Installing Unlimited JCE policy" && \
+      curl -jksSLH "Cookie: oraclelicense=accept-securebackup-cookie" -o /tmp/jce_policy-${JAVA_VERSION_MAJOR}.zip \
+        http://download.oracle.com/otn-pub/java/jce/${JAVA_VERSION_MAJOR}/jce_policy-${JAVA_VERSION_MAJOR}.zip && \
+      cd /tmp && unzip /tmp/jce_policy-${JAVA_VERSION_MAJOR}.zip && \
+      cp -v /tmp/UnlimitedJCEPolicyJDK8/*.jar /opt/jdk/jre/lib/security/; \
+    fi && \
+    sed -i s/#networkaddress.cache.ttl=-1/networkaddress.cache.ttl=30/ $JAVA_HOME/jre/lib/security/java.security && \
+    apk del curl glibc-i18n && \
+    rm -rf /opt/jdk/jre/plugin \
+           /opt/jdk/jre/bin/javaws \
+           /opt/jdk/jre/bin/jjs \
+           /opt/jdk/jre/bin/orbd \
+           /opt/jdk/jre/bin/pack200 \
+           /opt/jdk/jre/bin/policytool \
+           /opt/jdk/jre/bin/rmid \
+           /opt/jdk/jre/bin/rmiregistry \
+           /opt/jdk/jre/bin/servertool \
+           /opt/jdk/jre/bin/tnameserv \
+           /opt/jdk/jre/bin/unpack200 \
+           /opt/jdk/jre/lib/javaws.jar \
+           /opt/jdk/jre/lib/deploy* \
+           /opt/jdk/jre/lib/desktop \
+           /opt/jdk/jre/lib/*javafx* \
+           /opt/jdk/jre/lib/*jfx* \
+           /opt/jdk/jre/lib/amd64/libdecora_sse.so \
+           /opt/jdk/jre/lib/amd64/libprism_*.so \
+           /opt/jdk/jre/lib/amd64/libfxplugins.so \
+           /opt/jdk/jre/lib/amd64/libglass.so \
+           /opt/jdk/jre/lib/amd64/libgstreamer-lite.so \
+           /opt/jdk/jre/lib/amd64/libjavafx*.so \
+           /opt/jdk/jre/lib/amd64/libjfx*.so \
+           /opt/jdk/jre/lib/ext/jfxrt.jar \
+           /opt/jdk/jre/lib/ext/nashorn.jar \
+           /opt/jdk/jre/lib/oblique-fonts \
+           /opt/jdk/jre/lib/plugin.jar \
+           /tmp/* /var/cache/apk/* && \
+    echo 'hosts: files mdns4_minimal [NOTFOUND=return] dns mdns4' >> /etc/nsswitch.conf
+
+# EOF

gradle/wrapper/gradle-wrapper.properties

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+distributionBase=GRADLE_USER_HOME
+distributionPath=wrapper/dists
+zipStoreBase=GRADLE_USER_HOME
+zipStorePath=wrapper/dists
+distributionUrl=https\://services.gradle.org/distributions/gradle-2.13-bin.zip

gradlew

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+#!/usr/bin/env bash
+
+##############################################################################
+##
+##  Gradle start up script for UN*X
+##
+##############################################################################
+
+# Attempt to set APP_HOME
+# Resolve links: $0 may be a link
+PRG="$0"
+# Need this for relative symlinks.
+while [ -h "$PRG" ] ; do
+    ls=`ls -ld "$PRG"`
+    link=`expr "$ls" : '.*-> \(.*\)$'`
+    if expr "$link" : '/.*' > /dev/null; then
+        PRG="$link"
+    else
+        PRG=`dirname "$PRG"`"/$link"
+    fi
+done
+SAVED="`pwd`"
+cd "`dirname \"$PRG\"`/" >/dev/null
+APP_HOME="`pwd -P`"
+cd "$SAVED" >/dev/null
+
+APP_NAME="Gradle"
+APP_BASE_NAME=`basename "$0"`
+
+# Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.
+DEFAULT_JVM_OPTS=""
+
+# Use the maximum available, or set MAX_FD != -1 to use that value.
+MAX_FD="maximum"
+
+warn ( ) {
+    echo "$*"
+}
+
+die ( ) {
+    echo
+    echo "$*"
+    echo
+    exit 1
+}
+
+# OS specific support (must be 'true' or 'false').
+cygwin=false
+msys=false
+darwin=false
+nonstop=false
+case "`uname`" in
+  CYGWIN* )
+    cygwin=true
+    ;;
+  Darwin* )
+    darwin=true
+    ;;
+  MINGW* )
+    msys=true
+    ;;
+  NONSTOP* )
+    nonstop=true
+    ;;
+esac
+
+CLASSPATH=$APP_HOME/gradle/wrapper/gradle-wrapper.jar
+
+# Determine the Java command to use to start the JVM.
+if [ -n "$JAVA_HOME" ] ; then
+    if [ -x "$JAVA_HOME/jre/sh/java" ] ; then
+        # IBM's JDK on AIX uses strange locations for the executables
+        JAVACMD="$JAVA_HOME/jre/sh/java"
+    else
+        JAVACMD="$JAVA_HOME/bin/java"
+    fi
+    if [ ! -x "$JAVACMD" ] ; then
+        die "ERROR: JAVA_HOME is set to an invalid directory: $JAVA_HOME
+
+Please set the JAVA_HOME variable in your environment to match the
+location of your Java installation."
+    fi
+else
+    JAVACMD="java"
+    which java >/dev/null 2>&1 || die "ERROR: JAVA_HOME is not set and no 'java' command could be found in your PATH.
+
+Please set the JAVA_HOME variable in your environment to match the
+location of your Java installation."
+fi
+
+# Increase the maximum file descriptors if we can.
+if [ "$cygwin" = "false" -a "$darwin" = "false" -a "$nonstop" = "false" ] ; then
+    MAX_FD_LIMIT=`ulimit -H -n`
+    if [ $? -eq 0 ] ; then
+        if [ "$MAX_FD" = "maximum" -o "$MAX_FD" = "max" ] ; then
+            MAX_FD="$MAX_FD_LIMIT"
+        fi
+        ulimit -n $MAX_FD
+        if [ $? -ne 0 ] ; then
+            warn "Could not set maximum file descriptor limit: $MAX_FD"
+        fi
+    else
+        warn "Could not query maximum file descriptor limit: $MAX_FD_LIMIT"
+    fi
+fi
+
+# For Darwin, add options to specify how the application appears in the dock
+if $darwin; then
+    GRADLE_OPTS="$GRADLE_OPTS \"-Xdock:name=$APP_NAME\" \"-Xdock:icon=$APP_HOME/media/gradle.icns\""
+fi
+
+# For Cygwin, switch paths to Windows format before running java
+if $cygwin ; then
+    APP_HOME=`cygpath --path --mixed "$APP_HOME"`
+    CLASSPATH=`cygpath --path --mixed "$CLASSPATH"`
+    JAVACMD=`cygpath --unix "$JAVACMD"`
+
+    # We build the pattern for arguments to be converted via cygpath
+    ROOTDIRSRAW=`find -L / -maxdepth 1 -mindepth 1 -type d 2>/dev/null`
+    SEP=""
+    for dir in $ROOTDIRSRAW ; do
+        ROOTDIRS="$ROOTDIRS$SEP$dir"
+        SEP="|"
+    done
+    OURCYGPATTERN="(^($ROOTDIRS))"
+    # Add a user-defined pattern to the cygpath arguments
+    if [ "$GRADLE_CYGPATTERN" != "" ] ; then
+        OURCYGPATTERN="$OURCYGPATTERN|($GRADLE_CYGPATTERN)"
+    fi
+    # Now convert the arguments - kludge to limit ourselves to /bin/sh
+    i=0
+    for arg in "$@" ; do
+        CHECK=`echo "$arg"|egrep -c "$OURCYGPATTERN" -`
+        CHECK2=`echo "$arg"|egrep -c "^-"`                                 ### Determine if an option
+
+        if [ $CHECK -ne 0 ] && [ $CHECK2 -eq 0 ] ; then                    ### Added a condition
+            eval `echo args$i`=`cygpath --path --ignore --mixed "$arg"`
+        else
+            eval `echo args$i`="\"$arg\""
+        fi
+        i=$((i+1))
+    done
+    case $i in
+        (0) set -- ;;
+        (1) set -- "$args0" ;;
+        (2) set -- "$args0" "$args1" ;;
+        (3) set -- "$args0" "$args1" "$args2" ;;
+        (4) set -- "$args0" "$args1" "$args2" "$args3" ;;
+        (5) set -- "$args0" "$args1" "$args2" "$args3" "$args4" ;;
+        (6) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" ;;
+        (7) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" "$args6" ;;
+        (8) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" "$args6" "$args7" ;;
+        (9) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" "$args6" "$args7" "$args8" ;;
+    esac
+fi
+
+# Split up the JVM_OPTS And GRADLE_OPTS values into an array, following the shell quoting and substitution rules
+function splitJvmOpts() {
+    JVM_OPTS=("$@")
+}
+eval splitJvmOpts $DEFAULT_JVM_OPTS $JAVA_OPTS $GRADLE_OPTS
+JVM_OPTS[${#JVM_OPTS[*]}]="-Dorg.gradle.appname=$APP_BASE_NAME"
+
+exec "$JAVACMD" "${JVM_OPTS[@]}" -classpath "$CLASSPATH" org.gradle.wrapper.GradleWrapperMain "$@"