geo ip 데이터 load후 api 수행하도록 구조 변경

Dockerfile

@@ -8,7 +8,8 @@ COPY go.mod ./
 RUN go mod download
 
 COPY . .
-RUN CGO_ENABLED=0 go build -o /bin/geoip ./cmd/server
+RUN CGO_ENABLED=0 go build -o /bin/geoip ./cmd/server && \
+    CGO_ENABLED=0 go build -o /bin/geoip-loader ./cmd/loader
 
 FROM debian:trixie-slim
 
@@ -17,6 +18,7 @@ RUN useradd --create-home --shell /usr/sbin/nologin appuser
 WORKDIR /app
 
 COPY --from=builder /bin/geoip /usr/local/bin/geoip
+COPY --from=builder /bin/geoip-loader /usr/local/bin/geoip-loader
 COPY GeoLite2-City.mmdb /data/GeoLite2-City.mmdb
 
 ENV GEOIP_DB_PATH=/data/GeoLite2-City.mmdb