Fix docker build

ant needed to be updated to >1.9, but the old image used an old alpine
 with the max version of ant being 1.8.

The build is split into 2 phases to reduce the size of the image.
A builder makes the installer and installs it in one image.
The installed files are copied over to the actual result image.
This commit is contained in:
2021-01-23 18:19:31 +01:00
parent f71e59a049
commit e64e12b3fb
3 changed files with 65 additions and 64 deletions

31
.dockerignore Normal file
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@ -0,0 +1,31 @@
.idea
.git
Dockerfile
# Gradle
.gradle
build
apps/BOB/build
apps/addressbook/build
apps/desktopgui/build
apps/i2pcontrol/build
apps/i2psnark/build
apps/i2ptunnel/build
apps/imagegen/build
apps/jetty/build
apps/jrobin/build
apps/ministreaming/java/build
apps/ministreaming/build
apps/routerconsole/build
apps/sam/build
apps/streaming/build
apps/susidns/build
apps/susimail/build
apps/systray/build
core/java/build
core/build
installer/build
router/java/build
router/build

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#!/bin/sh
export JAVA_HOME=/opt/jdk/jre
# Ensure user rights
chown -R i2p:nobody /opt/i2p
chmod -R u+rwx /opt/i2p
gosu i2p /opt/i2p/i2psvc /opt/i2p/wrapper.config wrapper.pidfile=/var/tmp/i2p.pid \
wrapper.name=i2p \
wrapper.displayname="I2P Service" \
wrapper.statusfile=/var/tmp/i2p.status \
wrapper.java.statusfile=/var/tmp/i2p.java.status \
wrapper.logfile=/var/tmp/wrapper.log

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@ -1,62 +1,46 @@
FROM meeh/java8server:latest
# Docker image based on Alpine with Java.
# Use a multi-stage build to reduce the size of the resulting image
# We need alpine >v3 in order to install an apache-ant > 1.9
FROM alpine:3 as builder
ENV I2P_PREFIX="/opt/i2p"
# We use Oracle Java to run I2P, but uses the openjdk to build it.
WORKDIR /tmp/build
COPY . ./
# Build installer
RUN apk --no-cache add build-base gettext tar bzip2 apache-ant openjdk8 expect
RUN echo "noExe=true" >> build.properties
RUN ant installer-linux
RUN mkdir -p /opt
RUN mv i2pinstall*.jar /tmp/i2pinstall.jar
MAINTAINER Mikal Villa <mikal@sigterm.no>
# Install i2p using the installer into I2P_PREFIX
RUN expect -f ./Docker.expt
RUN cd ${I2P_PREFIX}
RUN rm -fr man docs *.bat *.command *.app
ENV GIT_BRANCH="master"
# Second stage only using the installer from the last stage
# ---------------------------------------------------------
# We can't use alpine here as the java service wrapper is built with glibc
# alpine uses musl
FROM openjdk:11.0-jre-slim
ARG I2P_UID=1000
ARG I2P_USER=i2p
ENV I2P_PREFIX="/opt/i2p"
ENV PATH=${I2P_PREFIX}/bin:$PATH
ENV JAVA_HOME=/usr/lib/jvm/default-jvm
ENV GOSU_VERSION=1.7
ENV GOSU_SHASUM="34049cfc713e8b74b90d6de49690fa601dc040021980812b2f1f691534be8a50 /usr/local/bin/gosu"
RUN mkdir /user && adduser -S -h /user i2p && chown -R i2p:nobody /user
# Adding files first, since Docker.expt is required for installation
ADD Docker.expt /tmp/Docker.expt
ADD Docker.entrypoint.sh /entrypoint.sh
# Required for wget https
RUN apk add --no-cache openssl
# Gosu is a replacement for su/sudo in docker and not a backdoor :) See https://github.com/tianon/gosu
RUN wget -O /usr/local/bin/gosu https://github.com/tianon/gosu/releases/download/${GOSU_VERSION}/gosu-amd64 \
&& echo "${GOSU_SHASUM}" | sha256sum -c && chmod +x /usr/local/bin/gosu
#
# Each RUN is a layer, adding the dependencies and building i2pd in one layer takes around 8-900Mb, so to keep the
# image under 200mb we need to remove all the build dependencies in the same "RUN" / layer.
#
# The main layer
RUN apk --no-cache add build-base git gettext tar bzip2 apache-ant openjdk8 expect \
&& mkdir -p /usr/src/build \
&& cd /usr/src/build \
&& git clone -b ${GIT_BRANCH} https://github.com/i2p/i2p.i2p.git \
&& cd /usr/src/build/i2p.i2p \
&& echo "noExe=true" >> build.properties \
&& ant installer-linux \
&& cp i2pinstall*.jar /tmp/i2pinstall.jar \
&& mkdir -p /opt \
&& chown i2p:root /opt \
&& chmod u+rw /opt \
&& gosu i2p expect -f /tmp/Docker.expt \
&& cd ${I2P_PREFIX} \
&& rm -fr man docs *.bat *.command *.app /tmp/i2pinstall.jar /tmp/Docker.expt \
&& rm -fr /usr/src/build \
&& apk --purge del build-base apache-ant expect tcl expat git openjdk8 openjdk8-jre openjdk8-jre-base openjdk8-jre-lib bzip2 tar \
binutils-libs binutils pkgconfig libcurl libc-dev musl-dev g++ make fortify-headers pkgconf giflib libssh2 libxdmcp libxcb \
libx11 pcre alsa-lib libxi libxrender libxml2 readline bash openssl \
&& rm -fr /usr/lib/jvm/default-jre \
&& ln -sf /opt/jdk/jre /usr/lib/jvm/default-jre \
&& chmod a+x /entrypoint.sh
# "install" i2p by copying over installed files
COPY --from=builder /opt/i2p ${I2P_PREFIX}
# Setup user and fix permissions in
RUN adduser --system --uid ${I2P_UID} --home /user ${I2P_USER} \
&& chown -R ${I2P_USER} /user \
&& chown -R ${I2P_USER} ${I2P_PREFIX} \
&& chmod -R u+rwx ${I2P_PREFIX}
EXPOSE 7654 7656 7657 7658 4444 6668 8998 7659 7660 4445 15000-20000
ENTRYPOINT [ "/entrypoint.sh" ]
USER i2p
ENTRYPOINT [ "/opt/i2p/i2psvc" ]
CMD [ "/opt/i2p/wrapper.config", "wrapper.pidfile=/var/tmp/i2p.pid", "wrapper.name=i2p", "wrapper.displayname=\"I2P Service\"" , "wrapper.statusfile=/var/tmp/i2p.status", "wrapper.java.statusfile=/var/tmp/i2p.java.status", "wrapper.logfile=/var/tmp/wrapper.log" ]