FROM node:20-alpine AS frontend-build
WORKDIR /build/frontend

ARG VITE_API_URL=/api
ENV VITE_API_URL=${VITE_API_URL}

COPY backend/pom.xml /build/backend/pom.xml
COPY frontend/package*.json ./
RUN npm ci

COPY frontend/ ./
RUN npm run build


FROM maven:3.9.11-eclipse-temurin-21 AS backend-build
WORKDIR /build/backend

COPY backend/pom.xml ./
RUN mvn -B -q -DskipTests dependency:go-offline

COPY backend/ ./
COPY --from=frontend-build /build/frontend/dist ./src/main/resources/static
RUN mvn -B -q -DskipTests package \
  && cp "$(find target -maxdepth 1 -type f -name '*.jar' ! -name '*.original' | head -n 1)" /build/backend/app.jar


FROM eclipse-temurin:21-jre-alpine AS runtime
WORKDIR /app

RUN addgroup -S spring && adduser -S spring -G spring

COPY --from=backend-build /build/backend/app.jar /app/app.jar

USER spring:spring

EXPOSE 8090

ENTRYPOINT ["java", "-jar", "/app/app.jar"]