diff --git a/Dockerfile b/Dockerfile
index 7d40ea8..1fb87b6 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -25,8 +25,9 @@ RUN freshclam --quiet --no-dns
 # Build go package
 ADD . /go/src/clamav-rest/
 RUN go get github.com/dutchcoders/go-clamd
+RUN go get github.com/prometheus/client_golang/prometheus/promhttp
 ADD ./server.* /etc/ssl/clamav-rest/
-RUN cd /go/src/clamav-rest && go mod init && go mod vendor && go build -v
+RUN cd /go/src/clamav-rest && go build -v
 
 COPY entrypoint.sh /usr/bin/
 RUN mv /go/src/clamav-rest/clamav-rest /usr/bin/ && rm -Rf /go/src/clamav-rest
@@ -47,6 +48,6 @@ ENV MAX_PARTITIONS=50
 ENV MAX_ICONSPE=100
 ENV PCRE_MATCHLIMIT=100000
 ENV PCRE_RECMATCHLIMIT=2000
-ENV SIGNATURE_CHECKS=2
+ENV SIGNATURE_CHECKS=24
 
 ENTRYPOINT [ "entrypoint.sh" ]
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