tweaked docker file

Author: HugoMario

modules/swagger-generator/Dockerfile

@@ -1,4 +1,4 @@
-FROM openjdk:8-jdk-alpine
+FROM openjdk:8-jre-alpine
 
 WORKDIR /jetty_home
 COPY docker/jetty /jetty_home/
@@ -8,12 +8,6 @@ COPY target/lib/javax.servlet-api* /jetty_home/lib/servlet-api-3.1.jar
 COPY target/lib/start.jar /jetty_home/
 ENV JETTY_HOME /jetty_home
 
-RUN addgroup --gid 2000 codegengroup
-RUN adduser --home "/generator" --ingroup codegengroup --disabled-password --gecos '' --shell "/bin/bash" --uid "1000" codegenuser
-RUN chown -R codegenuser /generator
-
-USER codegenuser
-
 WORKDIR /generator
 COPY docker/jetty_base /generator/
 COPY docker/ROOT.xml /generator/webapps/ROOT.xml
@@ -27,5 +21,11 @@ ENV HTTP_PORT ${HTTP_PORT}
 ARG JAVA_MEM
 ENV JAVA_MEM ${JAVA_MEM}
 WORKDIR $JETTY_BASE
+
+RUN addgroup --gid 2000 codegengroup
+RUN adduser --home "/generator" --ingroup codegengroup --disabled-password --gecos '' --shell "/bin/bash" --uid "1000" codegenuser
+RUN chown -R codegenuser /generator
+
+USER codegenuser
 CMD ["./start"]