31 lines
923 B
Docker
31 lines
923 B
Docker
FROM maven:3.9.9-eclipse-temurin-21 AS build
|
|
WORKDIR /app
|
|
COPY ./pom.xml ./
|
|
RUN mvn dependency:resolve
|
|
COPY . .
|
|
RUN mvn clean install -DskipTests
|
|
|
|
#FROM openjdk:21-jdk-slim
|
|
FROM eclipse-temurin:21-jre-jammy
|
|
|
|
# Create a non-root user and group for security
|
|
RUN groupadd -r appgroup && useradd -r -s /bin/false -g appgroup appuser
|
|
|
|
# Create a directory for heap dumps and give ownership to the new user
|
|
RUN mkdir /dumps && chown appuser:appgroup /dumps
|
|
|
|
# Set the working directory
|
|
WORKDIR /app
|
|
|
|
# Copy the application jar from the build stage
|
|
COPY --from=build /app/target/*.jar app.jar
|
|
|
|
# Change ownership of the application files to the non-root user
|
|
RUN chown appuser:appgroup app.jar
|
|
|
|
# Switch to the non-root user
|
|
USER appuser
|
|
|
|
# Run the jar file with JVM flags for heap dump generation on OutOfMemoryError
|
|
ENTRYPOINT ["java", "-XX:+HeapDumpOnOutOfMemoryError", "-XX:HeapDumpPath=/dumps/heap.hprof", "-jar", "app.jar"]
|