Expand the arguments to a list of strings when they are provided as a single string

The GitHub action provide the arguments as a single string to the docker container,
so we need to expand them in order for gosec to properly interpret them.

Signed-off-by: Cosmin Cojocar <cosmin.cojocar@gmx.ch>

Author: ccojocar

Dockerfile

@@ -8,7 +8,8 @@ RUN go mod download
 RUN make build-linux
 
 FROM golang:${GO_VERSION}-alpine 
-RUN apk add --update --no-cache ca-certificates git gcc libc-dev
+RUN apk add --update --no-cache ca-certificates bash git gcc libc-dev
 ENV GO111MODULE on
 COPY --from=builder /build/gosec /bin/gosec
-ENTRYPOINT ["/bin/gosec"]
+COPY entrypoint.sh /bin/entrypoint.sh
+ENTRYPOINT ["/bin/entrypoint.sh"]

entrypoint.sh

@@ -0,0 +1,7 @@
+#!/usr/bin/env bash
+
+# Expand the arguments into an array of strings. This is requires because the GitHub action
+# provides all arguments concatenated as a single string.
+ARGS=("$@")
+
+/bin/gosec ${ARGS[*]}