Dockerfile Spring boot with maven,tomcat,Sarabun font template

Dockerfile_springboot

FROM maven:3-jdk-8-slim as builder

ENV JAVA_OPTS=""
ENV MAVEN_OPTS="-XX:+TieredCompilation -XX:TieredStopAtLevel=1"

WORKDIR /server

COPY pom.xml .
RUN mvn -B -fn verify

COPY src ./src
RUN mvn -B -DskipTests verify 

#stage 2
FROM tomcat:8-jdk8-adoptopenjdk-hotspot

RUN apt-get update && apt-get install -y unzip fontconfig \
    && curl -q -o "/tmp/sarabun-fonts.zip" -LO https://github.com/dahoba/tomcat-pcks11-proxy/raw/master/8-alpine-fonts/THSarabunNew.zip \
    && unzip /tmp/sarabun-fonts.zip -d /tmp/ \
    && mkdir -p /usr/share/fonts/ \
    && mv /tmp/*.ttf /usr/share/fonts/ \
    && fc-cache -f \
    && apt-get clean autoclean \
    && apt-get autoremove --yes \
    && rm -rf /var/lib/{apt,dpkg,cache,log}/

ENV JAVA_OPTS="-Djava.awt.headless=true -XX:+UseG1GC -Dfile.encoding=UTF-8 -noverify -server"
ENV SPRING_PROFILES_ACTIVE=default
ENV SPRING_APPLICATION_JSON='{}'

RUN rm -rf /usr/local/tomcat/webapps/ROOT /usr/local/tomcat/webapps/docs /usr/local/tomcat/webapps/examples

COPY --from=builder /server/target/api-*.war /usr/local/tomcat/webapps/api.war