Fix docker build

Dockerfile

@@ -6,11 +6,11 @@ ARG TARGETOS
 ARG TARGETARCH
 
 WORKDIR /app/
-RUN apk update && apk add --no-cache git gcc && adduser -D -g '' gopher && apk add -U --no-cache ca-certificates
+RUN apk update && apk add --no-cache --update gcc musl-dev git && adduser -D -g '' gopher && apk add -U --no-cache ca-certificates
 ADD go.mod go.sum ./
 RUN go mod download
 ADD . .
-RUN GOOS=${TARGETOS} GOARCH=${TARGETARCH} go build -ldflags="-w -s" -o gopherss .
+RUN GOOS=${TARGETOS} GOARCH=${TARGETARCH} go build -o gopherss .
 
 FROM --platform=${TARGETPLATFORM:-linux/amd64} scratch
 WORKDIR /app/