BillCare 초기 소스 등록

비즈케어 홈즈 홈상품 운용관리(BillCare) 프론트/백엔드/Docker 구성을 exdev git에 등록합니다.

Co-authored-by: Cursor <cursoragent@cursor.com>

backend/Dockerfile

@@ -0,0 +1,17 @@
+# syntax=docker/dockerfile:1
+
+FROM maven:3.9.9-eclipse-temurin-21 AS build
+WORKDIR /app
+COPY pom.xml .
+COPY src ./src
+RUN mvn -q -DskipTests package
+
+FROM eclipse-temurin:21-jre
+WORKDIR /app
+RUN apt-get update && apt-get install -y --no-install-recommends curl \
+  && rm -rf /var/lib/apt/lists/*
+COPY --from=build /app/target/*.jar app.jar
+EXPOSE 8080
+HEALTHCHECK --interval=5s --timeout=3s --start-period=25s --retries=20 \
+  CMD curl -fsS http://127.0.0.1:8080/api/health || exit 1
+ENTRYPOINT ["java", "-jar", "app.jar"]