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Code Issues Releases Wiki Activity

docker: Switch to multistage build, closes #66

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This commit is contained in:
James Hillyerd
2018-04-07 16:55:07 -07:00
parent 7a783efd5d
commit d846f04186
3 changed files with 22 additions and 59 deletions
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32
Dockerfile
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@@ -1,15 +1,30 @@
# Docker build file for Inbucket, see https://www.docker.io/
# Inbucket website: http://www.inbucket.org/
# Docker build file for Inbucket: https://www.inbucket.org/
FROM golang:1.10-alpine
# Build
FROM golang:1.10-alpine as builder
RUN apk add --no-cache --virtual .build-deps git make
WORKDIR /go/src/github.com/jhillyerd/inbucket
COPY . .
ENV CGO_ENABLED 0
RUN make clean deps
RUN go build -o inbucket \
-ldflags "-X 'main.version=$(git describe --tags --always)' -X 'main.date=$(date -Iseconds)'" \
-v ./cmd/inbucket
# Run in minimal image
FROM alpine:3.7
ENV SRC /go/src/github.com/jhillyerd/inbucket
WORKDIR /opt/inbucket
RUN mkdir bin defaults ui
COPY --from=builder $SRC/inbucket bin
COPY etc/docker/defaults/greeting.html defaults
COPY ui ui
COPY etc/docker/defaults/start-inbucket.sh /
# Configuration
ENV INBUCKET_SRC $GOPATH/src/github.com/jhillyerd/inbucket
ENV INBUCKET_HOME /opt/inbucket
ENV INBUCKET_SMTP_DISCARDDOMAINS bitbucket.local
ENV INBUCKET_SMTP_TIMEOUT 30s
ENV INBUCKET_POP3_TIMEOUT 30s
ENV INBUCKET_WEB_UIDIR $INBUCKET_HOME/ui
ENV INBUCKET_WEB_GREETINGFILE /config/greeting.html
ENV INBUCKET_WEB_COOKIEAUTHKEY secret-inbucket-session-cookie-key
ENV INBUCKET_STORAGE_TYPE file
@@ -24,10 +39,5 @@ EXPOSE 2500 9000 1100
VOLUME /config
VOLUME /storage
WORKDIR $INBUCKET_HOME
ENTRYPOINT ["/start-inbucket.sh"]
CMD ["-logjson"]
# Build Inbucket
COPY . $INBUCKET_SRC/
RUN "$INBUCKET_SRC/etc/docker/install.sh"

1
etc/docker/defaults/start-inbucket.sh
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@@ -2,6 +2,7 @@
# start-inbucket.sh
# description: start inbucket (runs within a docker container)
INBUCKET_HOME="/opt/inbucket"
CONF_SOURCE="$INBUCKET_HOME/defaults"
CONF_TARGET="/config"

48
etc/docker/install.sh
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@@ -1,48 +0,0 @@
#!/bin/sh
# install.sh
# description: Build, test, and install Inbucket. Should be executed inside a Docker container.
set -eo pipefail
installdir="$INBUCKET_HOME"
srcdir="$INBUCKET_SRC"
bindir="$installdir/bin"
defaultsdir="$installdir/defaults"
contextdir="/con/context"
echo "### Installing OS Build Dependencies"
apk add --no-cache --virtual .build-deps git
# Setup
export GOBIN="$bindir"
cd "$srcdir"
builddate="$(date -Iseconds)"
buildver="$(git describe --tags --always)"
# Build
go clean
echo "### Fetching Dependencies"
go get -t -v ./...
echo "### Testing Inbucket"
go test ./...
echo "### Building Inbucket"
go build -o inbucket -ldflags "-X 'main.version=$buildver' -X 'main.date=$builddate'" -v ./cmd/inbucket
echo "### Installing Inbucket"
set -x
mkdir -p "$bindir"
install inbucket "$bindir"
mkdir -p "$contextdir"
install etc/docker/defaults/start-inbucket.sh /
cp -r ui "$installdir/"
mkdir -p "$defaultsdir"
cp etc/docker/defaults/greeting.html "$defaultsdir"
set +x
echo "### Removing OS Build Dependencies"
apk del .build-deps
echo "### Removing $GOPATH"
rm -rf "$GOPATH"