ARG GO_VERSION=1
FROM golang:${GO_VERSION}-alpine as builder

# fix x509 cert error
RUN apk update && apk add --no-cache ca-certificates

WORKDIR /app
COPY go.mod go.sum ./
RUN go mod download && go mod verify
COPY . .
RUN go build -v -o htmlsky .

FROM alpine:latest

COPY --from=builder /app/htmlsky /usr/local/bin/
CMD ["htmlsky"]