Dockerfile: Build from checked out source

Don't grab latest master – you typically want to build a release.

Author: anordal

Dockerfile

@@ -1,14 +1,13 @@
 FROM alpine:3.8 as builder
 
 WORKDIR /build
-ADD https://api.github.com/repos/anordal/shellharden/compare/master...HEAD /dev/null
-RUN apk add --no-cache cargo git
-RUN git clone https://github.com/anordal/shellharden
-RUN cd shellharden && cargo build --release
+ADD . .
+RUN apk add --no-cache cargo
+RUN cargo build --release
 
 
 FROM alpine:3.8
 RUN apk add --no-cache libgcc
-COPY --from=builder /build/shellharden/target/shellharden /
+COPY --from=builder /build/target/release/shellharden /
 ENTRYPOINT ["/shellharden"]
 CMD ["--help"]