Added initial release

Signed-off-by: Marcus Noble <github@marcusnoble.co.uk>

Dockerfile

@@ -0,0 +1,21 @@
+FROM --platform=${BUILDPLATFORM:-linux/amd64} golang:1.21-alpine as builder
+
+ARG TARGETPLATFORM
+ARG BUILDPLATFORM
+ARG TARGETOS
+ARG TARGETARCH
+ARG VERSION="dev"
+
+RUN apk update && apk add -U --no-cache ca-certificates
+
+WORKDIR /app/
+ADD go.mod go.sum ./
+RUN go mod download
+ADD main.go .
+RUN CGO_ENABLED=0 GOOS=${TARGETOS} GOARCH=${TARGETARCH} go build -ldflags="-w -s" -o civo-versions main.go
+
+FROM --platform=${TARGETPLATFORM:-linux/amd64} scratch
+WORKDIR /app/
+COPY --from=builder /etc/ssl/certs/ca-certificates.crt /etc/ssl/certs/
+COPY --from=builder /app/civo-versions /app/civo-versions
+ENTRYPOINT ["/app/civo-versions"]