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| 1 | +FROM python:3.7.2-slim-stretch |
| 2 | + |
| 3 | +RUN apt-get update && apt-get install -y --no-install-recommends \ |
| 4 | + bzip2 \ |
| 5 | + unzip \ |
| 6 | + xz-utils \ |
| 7 | + && rm -rf /var/lib/apt/lists/* |
| 8 | + |
| 9 | +RUN echo 'deb http://deb.debian.org/debian stretch-backports main' > /etc/apt/sources.list.d/stretch-backports.list |
| 10 | + |
| 11 | +# Default to UTF-8 file.encoding |
| 12 | +ENV LANG C.UTF-8 |
| 13 | + |
| 14 | +# add a simple script that can auto-detect the appropriate JAVA_HOME value |
| 15 | +# based on whether the JDK or only the JRE is installed |
| 16 | +RUN { \ |
| 17 | + echo '#!/bin/sh'; \ |
| 18 | + echo 'set -e'; \ |
| 19 | + echo; \ |
| 20 | + echo 'dirname "$(dirname "$(readlink -f "$(which javac || which java)")")"'; \ |
| 21 | + } > /usr/local/bin/docker-java-home \ |
| 22 | + && chmod +x /usr/local/bin/docker-java-home |
| 23 | + |
| 24 | +# do some fancy footwork to create a JAVA_HOME that's cross-architecture-safe |
| 25 | +RUN ln -svT "/usr/lib/jvm/java-11-openjdk-$(dpkg --print-architecture)" /docker-java-home |
| 26 | +ENV JAVA_HOME /docker-java-home |
| 27 | + |
| 28 | +ENV JAVA_VERSION 11.0.1 |
| 29 | +ENV JAVA_DEBIAN_VERSION 11.0.1+13-2~bpo9+1 |
| 30 | + |
| 31 | +RUN set -ex; \ |
| 32 | + \ |
| 33 | +# deal with slim variants not having man page directories (which causes "update-alternatives" to fail) |
| 34 | + if [ ! -d /usr/share/man/man1 ]; then \ |
| 35 | + mkdir -p /usr/share/man/man1; \ |
| 36 | + fi; \ |
| 37 | + \ |
| 38 | +# ca-certificates-java does not work on src:openjdk-11 with no-install-recommends: (https://bugs.debian.org/914860, https://bugs.debian.org/775775) |
| 39 | +# /var/lib/dpkg/info/ca-certificates-java.postinst: line 56: java: command not found |
| 40 | + ln -svT /docker-java-home/bin/java /usr/local/bin/java; \ |
| 41 | + \ |
| 42 | + apt-get update; \ |
| 43 | + apt-get install -y --no-install-recommends \ |
| 44 | + openjdk-11-jdk-headless="$JAVA_DEBIAN_VERSION" \ |
| 45 | + gcc g++ maven \ |
| 46 | + ; \ |
| 47 | + rm -rf /var/lib/apt/lists/*; \ |
| 48 | + \ |
| 49 | + rm -v /usr/local/bin/java; \ |
| 50 | + \ |
| 51 | +# ca-certificates-java does not work on src:openjdk-11: (https://bugs.debian.org/914424, https://bugs.debian.org/894979, https://salsa.debian.org/java-team/ca-certificates-java/commit/813b8c4973e6c4bb273d5d02f8d4e0aa0b226c50#d4b95d176f05e34cd0b718357c532dc5a6d66cd7_54_56) |
| 52 | + keytool -importkeystore -srckeystore /etc/ssl/certs/java/cacerts -destkeystore /etc/ssl/certs/java/cacerts.jks -deststoretype JKS -srcstorepass changeit -deststorepass changeit -noprompt; \ |
| 53 | + mv /etc/ssl/certs/java/cacerts.jks /etc/ssl/certs/java/cacerts; \ |
| 54 | + /var/lib/dpkg/info/ca-certificates-java.postinst configure; \ |
| 55 | + \ |
| 56 | +# verify that "docker-java-home" returns what we expect |
| 57 | + [ "$(readlink -f "$JAVA_HOME")" = "$(docker-java-home)" ]; \ |
| 58 | + \ |
| 59 | +# update-alternatives so that future installs of other OpenJDK versions don't change /usr/bin/java |
| 60 | + update-alternatives --get-selections | awk -v home="$(readlink -f "$JAVA_HOME")" 'index($3, home) == 1 { $2 = "manual"; print | "update-alternatives --set-selections" }'; \ |
| 61 | +# ... and verify that it actually worked for one of the alternatives we care about |
| 62 | + update-alternatives --query java | grep -q 'Status: manual' |
| 63 | + |
| 64 | +CMD ["python3"] |
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