Merge pull request #96 from PBH-BTN/docker

Use 2-stage Dockerfile to ensure image reproducible

Dockerfile

@@ -1,21 +1,15 @@
-FROM eclipse-temurin:17.0.10_7-jre
+FROM maven:3.9.6-eclipse-temurin-22 as build
 
-LABEL MAINTAINER="https://github.com/PBH-BTN/PeerBanHelper"
-
-ENV TZ=UTC PUID=0 PGID=0
-
-RUN set -ex && \
-    export DEBIAN_FRONTEND=noninteractive && \
-    apt-get update -y && \
-    apt-get install -y gosu dumb-init && \
-    apt-get autoremove -y && \
-    apt-get clean && \
-    rm -rf /var/lib/apt/lists/*
+ADD . /build
+WORKDIR /build
+RUN sh setup-webui.sh && mvn -B clean package --file pom.xml
 
+FROM ubuntu/jre:17_edge
+LABEL MAINTAINER="https://github.com/PBH-BTN/PeerBanHelper"
+USER 0
+ENV TZ=UTC
 WORKDIR /app
-
-COPY --chmod=755 ./docker-entrypoint.sh /app/
-
-COPY ./target/PeerBanHelper.jar /app/
-
-ENTRYPOINT [ "/app/docker-entrypoint.sh" ]
+VOLUME /tmp
+COPY --from=build build/target/PeerBanHelper.jar /app/PeerBanHelper.jar
+ENV PATH "${JAVA_HOME}/bin:${PATH}"
+ENTRYPOINT ["java","-Xmx256M","-XX:+UseSerialGC","-jar","PeerBanHelper.jar"]

setup-webui.sh

@@ -3,5 +3,5 @@ current_wd=$(pwd)
 cd "$(dirname $0)/src/main/resources"
 rm -rf static
 git clone --depth 1  --branch gh-pages "https://github.com/PBH-BTN/pbh-fe.git" static
-echo "WebUI Version: $(git rev-parse --short HEAD)"
+cd static && echo "WebUI Version: $(git rev-parse --short HEAD)"
 cd $current_wd