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Remove --update and replace with --no-cache for apk in Dockerfile

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There is no need to use `--update` with `--no-cache`, only `--no-cache`
should be used when building a Docker image, as using `--no-cache` will
fetch the index every time and leave no local cache, so the index will
always be the latest and without temporary files remains in the image.
This commit is contained in:
Peter Dave Hello 2021-09-03 15:26:53 +08:00
commit e81f36c582
1 changed files with 4 additions and 4 deletions
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Dockerfile
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@ -3,8 +3,8 @@ FROM golang:alpine AS build-env
ENV SRC_DIR $GOPATH/src/github.com/bettercap/bettercap
RUN apk add --update ca-certificates
RUN apk add --no-cache --update bash iptables wireless-tools build-base libpcap-dev libusb-dev linux-headers libnetfilter_queue-dev git
RUN apk add --no-cache ca-certificates
RUN apk add --no-cache bash iptables wireless-tools build-base libpcap-dev libusb-dev linux-headers libnetfilter_queue-dev git
WORKDIR $SRC_DIR
ADD . $SRC_DIR
@ -16,8 +16,8 @@ RUN git clone https://github.com/bettercap/caplets /usr/local/share/bettercap/ca
# final stage
FROM alpine
RUN apk add --update ca-certificates
RUN apk add --no-cache --update bash iproute2 libpcap libusb-dev libnetfilter_queue wireless-tools
RUN apk add --no-cache ca-certificates
RUN apk add --no-cache bash iproute2 libpcap libusb-dev libnetfilter_queue wireless-tools
COPY --from=build-env /go/src/github.com/bettercap/bettercap/bettercap /app/
COPY --from=build-env /usr/local/share/bettercap/caplets /app/
WORKDIR /app