docker healthcheck

Dockerfile

@@ -3,15 +3,16 @@ WORKDIR /build
 COPY go.mod go.sum ./
 RUN go mod download
 COPY . .
-RUN go build -o ipinfo .
+RUN go build -ldflags="-s -w" -o ipinfo .
+RUN go build -ldflags="-s -w" -o healthcheck ./healthcheck/healthcheck.go
 RUN go install github.com/maxmind/geoipupdate/v7/cmd/geoipupdate@latest
-RUN mkdir -p /build/data
 
 FROM alpine:latest
 RUN apk add --no-cache curl tzdata busybox-suid
 
 WORKDIR /app
 COPY --from=builder /build/ipinfo .
+COPY --from=builder /build/healthcheck .
 COPY --from=builder /go/bin/geoipupdate /usr/local/bin/geoipupdate
 
 ENV GEOIPUPDATE_ACCOUNT_ID=${GEOIPUPDATE_ACCOUNT_ID}
@@ -27,8 +28,8 @@ RUN echo "AccountID ${GEOIPUPDATE_ACCOUNT_ID}" > /etc/GeoIP.conf && \
 RUN echo "0 0 * * * geoipupdate >> /var/log/geoipupdate.log 2>&1" > /etc/crontabs/root
 RUN cat /etc/crontabs/root
 
-HEALTHCHECK --interval=30s --timeout=5s --start-period=5s CMD curl --fail http://localhost:3000/health || exit 1
+HEALTHCHECK --interval=30s --timeout=5s --start-period=5s CMD ["./healthcheck"]
 
 EXPOSE 3000
 
-CMD ["sh", "-c", "geoipupdate && ./ipinfo"]
+CMD ["./ipinfo"]