Put package.json in runtime image

Dockerfile

@@ -1,6 +1,6 @@
 FROM maven:3.9-eclipse-temurin-17 AS build
 WORKDIR /app
-COPY package.json pom.xml ./
+COPY pom.xml ./
 COPY .git ./.git
 RUN mvn -B dependency:go-offline
 COPY src ./src
@@ -10,6 +10,7 @@ RUN mvn -B package -DskipTests
 FROM eclipse-temurin:17-jre
 WORKDIR /app
 COPY --from=build /app/target/imgfloat-*.jar app.jar
+COPY package.json ./
 EXPOSE 8080 8443
 ENV JAVA_OPTS=""
 ENTRYPOINT ["sh", "-c", "exec java ${JAVA_OPTS} -jar app.jar"]