CI: store CI workflow 및 dockerfile 업로드

store/Dockerfile

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+# Multi-stage build for store service
+FROM gradle:8.13-jdk21 AS builder
+
+WORKDIR /app
+
+# Copy gradle files
+COPY build.gradle settings.gradle gradlew ./
+COPY gradle/ ./gradle/
+
+# Copy common module first (for better caching)
+COPY common/ ./common/
+
+# Copy store service source
+COPY store/ ./store/
+
+# Build the application
+RUN ./gradlew store:build -x test --no-daemon
+
+# Runtime stage
+FROM openjdk:21-jdk-slim
+
+# Create app user
+RUN groupadd -r appgroup && useradd -r -g appgroup appuser
+
+# Install necessary packages for external API calls
+RUN apt-get update && apt-get install -y \
+    curl \
+    ca-certificates \
+    && rm -rf /var/lib/apt/lists/* \
+    && update-ca-certificates
+
+# Create app directory
+RUN mkdir -p /app && \
+    chown -R appuser:appgroup /app
+
+WORKDIR /app
+
+# Copy jar file from builder stage
+COPY --from=builder /app/store/build/libs/store-*.jar app.jar
+
+# Change ownership
+RUN chown appuser:appgroup app.jar
+
+# Switch to non-root user
+USER appuser
+
+# Expose port
+EXPOSE 8082
+
+# Health check
+HEALTHCHECK --interval=30s --timeout=10s --start-period=60s --retries=3 \
+    CMD curl -f http://localhost:8082/actuator/health || exit 1
+
+# Environment variables
+ENV JAVA_OPTS="-Xms512m -Xmx1024m -XX:+UseG1GC -XX:G1HeapRegionSize=16m -XX:+UseStringDeduplication"
+ENV SPRING_PROFILES_ACTIVE=docker
+
+# Run the application
+ENTRYPOINT ["sh", "-c", "java $JAVA_OPTS -jar app.jar"]