docker: add alpine,debian,ubuntu test images

Relates to https://github.com/shaarli/Shaarli/issues/843

Added:
- Makefile target to run commands in a Docker test context
- Docker images to run Shaarli test suites:
  - Alpine 3.6
  - Debian 8
  - Debian 9
  - Ubuntu 16.04
- Documentation

Signed-off-by: VirtualTam <virtualtam@flibidi.net>

1 files changed, 36 insertions, 0 deletions

diff --git a/docker/test/debian9/Dockerfile b/docker/test/debian9/Dockerfile
new file mode 100644
index 00000000..3ab4b93d
--- /dev/null
+++ b/docker/test/debian9/Dockerfile
@@ -0,0 +1,36 @@
+FROM debian:stretch
+MAINTAINER Shaarli Community
+
+ENV TERM dumb
+ENV DEBIAN_FRONTEND noninteractive
+ENV LANG en_US.UTF-8
+ENV LANGUAGE en_US:en
+
+RUN apt-get update \
+    && apt-get install --no-install-recommends -y \
+       ca-certificates \
+       curl \
+       locales \
+       make \
+       php7.0 \
+       php7.0-curl \
+       php7.0-gd \
+       php7.0-intl \
+       php7.0-xml \
+       php-xdebug \
+       rsync \
+    && apt-get clean
+
+RUN locale-gen en_US.UTF-8 \
+    && locale-gen de_DE.UTF-8 \
+    && locale-gen fr_FR.UTF-8
+
+ADD https://getcomposer.org/composer.phar /usr/local/bin/composer
+RUN chmod 755 /usr/local/bin/composer
+
+RUN mkdir /shaarli
+WORKDIR /shaarli
+VOLUME /shaarli
+
+ENTRYPOINT ["make"]
+CMD []