Dockerfile Native

1# syntax=docker/dockerfile:1
2#
3# Multi-stage GraalVM native image for a Spring Boot Maven project.
4# Adapted from jdubois/dr-jskill (Apache-2.0); see references/PROVENANCE.md.
5# Requires the `native` dependency (native-maven-plugin and the `native` profile).
6#
7#   docker build -f Dockerfile-native -t my-spring-app-native .
8#   docker run --rm -p 8080:8080 my-spring-app-native
9
10FROM ghcr.io/graalvm/graalvm-community:25 AS build
11
12WORKDIR /app
13
14COPY mvnw .
15COPY .mvn .mvn
16COPY pom.xml .
17RUN chmod +x mvnw && ./mvnw dependency:go-offline -B
18
19COPY src ./src
20
21ENV NATIVE_IMAGE_OPTIONS="-H:+StaticExecutableWithDynamicLibC"
22
23RUN ./mvnw -Pnative -DskipTests -B package native:compile
24
25# The executable is named after the artifactId; copy it to a fixed name.
26# GraalVM 25 also drops executable libjava.so/libjvm.so stubs next to it: skip them.
27RUN native_exe=$(find target -maxdepth 1 -type f -executable ! -name '*.jar' ! -name '*.original' ! -name '*.so' | head -1) && \
28    test -n "$native_exe" && cp "$native_exe" native-app
29
30FROM gcr.io/distroless/base-debian12:nonroot
31
32WORKDIR /app
33
34COPY --from=build --chown=nonroot:nonroot /app/native-app native-app
35
36USER nonroot
37
38EXPOSE 8080
39
40ENTRYPOINT ["./native-app"]