FROM golang:alpine AS builder

RUN mkdir -p /build/src

ADD https://github.com/VirusTotal/yara/archive/v4.1.2.tar.gz /build/yara-4.1.2.tar.gz

RUN apk add --no-cache autoconf automake libtool make gcc g++ openssl-dev pkgconfig
RUN cd /build; tar xvf yara-4.1.2.tar.gz; cd yara-4.1.2; ./bootstrap.sh; ./configure; make; make install

ADD . /build/src

RUN cd /build/src \
	&& go build -o /build/yarascanner

FROM alpine:3

COPY --from=builder /build/yarascanner /usr/bin/yarascanner
COPY --from=builder /usr/local/lib/libyara.so.4 /usr/local/lib/libyara.so.4

CMD "/usr/bin/yarascanner"