FINCN-170 create multi-stage Docker build (#8)

* FINCN-170 create multi-stage Docker build

* FINCN-170 rat ignore .dockerignore

* FINCN-170 boot jar path fix

.dockerignore

@@ -0,0 +1,7 @@
+LICENSE
+README.md
+HEADER
+NOTICE.txt
+.git/
+.gradle/
+.gitignore

Dockerfile

@@ -0,0 +1,37 @@
+#
+# Licensed to the Apache Software Foundation (ASF) under one
+# or more contributor license agreements.  See the NOTICE file
+# distributed with this work for additional information
+# regarding copyright ownership.  The ASF licenses this file
+# to you under the Apache License, Version 2.0 (the
+# "License"); you may not use this file except in compliance
+# with the License.  You may obtain a copy of the License at
+#
+#   http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing,
+# software distributed under the License is distributed on an
+# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+# KIND, either express or implied.  See the License for the
+# specific language governing permissions and limitations
+# under the License.
+#
+FROM openjdk:8-jdk-alpine AS builder
+RUN mkdir builddir
+COPY . builddir
+WORKDIR builddir
+RUN ./gradlew publishToMavenLocal
+
+FROM openjdk:8-jdk-alpine AS runner
+
+ARG cheques_port=2030
+
+ENV server.max-http-header-size=16384 \
+    cassandra.clusterName="Test Cluster" \
+    server.port=$cheques_port \
+    system.initialclientid=service-runner
+
+WORKDIR /tmp
+COPY  --from=builder /builddir/service/build/libs/service-0.1.0-BUILD-SNAPSHOT-boot.jar ./cheques-service-boot.jar
+
+CMD ["java", "-jar", "cheques-service-boot.jar"]

shared.gradle

@@ -114,7 +114,8 @@ rat {
             "**/build/**",
             "gradlew",
             "gradlew.bat",
-            "README.md"
+            "README.md",
+            "**/.dockerignore/**"
     ]
     plainOutput = true
 }