You cannot select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
48 lines
1.1 KiB
Docker
48 lines
1.1 KiB
Docker
#
|
|
# Builder
|
|
#
|
|
|
|
FROM golang:alpine as builder
|
|
|
|
# use version (for example "v0.3.3") or "main"
|
|
ARG WATCHTOWER_VERSION=main
|
|
|
|
# Pre download required modules to avoid redownloading at each build thanks to docker layer caching.
|
|
# Copying go.mod and go.sum ensure to invalid the layer/build cache if there is a change in module requirement
|
|
WORKDIR /watchtower
|
|
COPY go.mod .
|
|
COPY go.sum .
|
|
RUN go mod download
|
|
|
|
RUN apk add --no-cache \
|
|
alpine-sdk \
|
|
ca-certificates \
|
|
git \
|
|
tzdata
|
|
|
|
COPY . /watchtower
|
|
|
|
RUN \
|
|
cd /watchtower && \
|
|
\
|
|
GO111MODULE=on CGO_ENABLED=0 GOOS=linux go build -a -ldflags "-extldflags '-static' -X github.com/containrrr/watchtower/internal/meta.Version=$(git describe --tags)" . && \
|
|
GO111MODULE=on go test ./... -v
|
|
|
|
|
|
#
|
|
# watchtower
|
|
#
|
|
|
|
FROM scratch
|
|
|
|
LABEL "com.centurylinklabs.watchtower"="true"
|
|
|
|
# copy files from other container
|
|
COPY --from=builder /etc/ssl/certs/ca-certificates.crt /etc/ssl/certs/ca-certificates.crt
|
|
COPY --from=builder /usr/share/zoneinfo /usr/share/zoneinfo
|
|
COPY --from=builder /watchtower/watchtower /watchtower
|
|
|
|
HEALTHCHECK CMD [ "/watchtower", "--health-check"]
|
|
|
|
ENTRYPOINT ["/watchtower"]
|