Dockerfile

FROM golang:1.14-alpine3.11@sha256:6578dc0c1bde86ccef90e23da3cdaa77fe9208d23c1bb31d942c8b663a519fa5 AS builder

LABEL "com.github.actions.icon"="bell"
LABEL "com.github.actions.color"="yellow"
LABEL "com.github.actions.name"="Slack Notify"
LABEL "com.github.actions.description"="This action will send notification to Slack"
LABEL "org.opencontainers.image.source"="https://github.com/rtCamp/action-slack-notify"

WORKDIR ${GOPATH}/src/github.com/rtcamp/action-slack-notify
COPY main.go ${GOPATH}/src/github.com/rtcamp/action-slack-notify

ENV CGO_ENABLED 0
ENV GOOS linux

RUN go get -v ./...
RUN go build -a -installsuffix cgo -ldflags '-w  -extldflags "-static"' -o /go/bin/slack-notify .

# alpine:latest at 2020-01-18T01:19:37.187497623Z
FROM alpine@sha256:ab00606a42621fb68f2ed6ad3c88be54397f981a7b70a79db3d1172b11c4367d

COPY --from=builder /go/bin/slack-notify /usr/bin/slack-notify

ENV VAULT_VERSION 1.0.2

RUN apk update \
	&& apk upgrade \
	&& apk add \
	bash \
	jq \
	ca-certificates \
	python \
	py2-pip \
	rsync && \
	pip install shyaml && \
	rm -rf /var/cache/apk/*

# Setup Vault
RUN wget https://releases.hashicorp.com/vault/${VAULT_VERSION}/vault_${VAULT_VERSION}_linux_amd64.zip && \
	unzip vault_${VAULT_VERSION}_linux_amd64.zip && \
	rm vault_${VAULT_VERSION}_linux_amd64.zip && \
	mv vault /usr/local/bin/vault

# fix the missing dependency - https://stackoverflow.com/a/35613430
RUN mkdir /lib64 && ln -s /lib/libc.musl-x86_64.so.1 /lib64/ld-linux-x86-64.so.2

COPY *.sh /

RUN chmod +x /*.sh

ENTRYPOINT ["/entrypoint.sh"]