78 lines
1.5 KiB
Bash
Executable File
78 lines
1.5 KiB
Bash
Executable File
#!/bin/bash
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PWD=$(pwd)
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PACKAGE=${PWD/${GOPATH}\/src\//}
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BINARY=$(basename ${PACKAGE})
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GIT_NAME=$(git config --get user.name)
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GIT_MAIL=$(git config --get user.email)
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if [ -e "${PWD}/Godeps/_workspace/src" ]; then
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OVERRIDE_GOPATH="/go:/go/src/${PACKAGE}/Godeps/_workspace"
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fi
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EXPOSE="EXPOSE"
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while getopts ":e:t:v:" opt; do
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case $opt in
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e)
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EXPOSE="${EXPOSE} ${OPTARG}"
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;;
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t)
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TIMEZONE=${OPTARG}
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;;
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v)
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VOLUME="${VOLUME}, \"${OPTARG}\""
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;;
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:)
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echo "Option -$OPTARG requires an argument." >&2
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exit 1
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;;
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esac
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done
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# Header
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cat <<EOF
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FROM golang:alpine
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LABEL maintainer "${GIT_NAME} <${GIT_MAIL}>"
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EOF
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# Support old (pre-1.6) Godep style
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[ -z "${OVERRIDE_GOPATH}" ] || echo -e "ENV GOPATH ${OVERRIDE_GOPATH}\n"
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# Allow setting timezone using `-t Europe/Berlin`
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[ -z "${TIMEZONE}" ] || cat <<EOF
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RUN set -ex \\
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&& apk add --update tzdata \\
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&& cp /usr/share/zoneinfo/${TIMEZONE} /etc/localtime \\
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&& echo "${TIMEZONE}" > /etc/timezone \\
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&& apk del --purge tzdata
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EOF
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# Build binary
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cat <<EOF
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ADD . /go/src/${PACKAGE}
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WORKDIR /go/src/${PACKAGE}
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RUN set -ex \\
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&& apk add --update git ca-certificates \\
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&& go install -ldflags "-X main.version=\$(git describe --tags || git rev-parse --short HEAD || echo dev)" \\
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&& apk del --purge git
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EOF
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# Allow exposing ports using `-e 3000`
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( test "EXPOSE" != "${EXPOSE}" ) && echo -e "${EXPOSE}\n"
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# Allow
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[ -z "${VOLUME}" ] || echo -e "VOLUME [${VOLUME/, /}]\n"
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# Execution information
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cat <<EOF
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ENTRYPOINT ["/go/bin/${BINARY}"]
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CMD ["--"]
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EOF
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