Add GitLab CI and sort Gemfile

The provision folder contains files required to build the Docker Image for the GitLab CI.

provision/provision.docker.root.sh

@@ -0,0 +1,91 @@
+#!/bin/bash
+
+######## VERSION INFORMATION ########
+
+postgres_version=13
+node_version=14
+geckodriver_version=0.26.0
+
+########## INSTALL SCRIPT ###########
+
+# Prerequisites
+apt -qq update
+DEBIAN_FRONTEND=noninteractive apt-get install -y --no-install-recommends tzdata
+apt -qq -y install apt-transport-https ca-certificates curl gnupg-agent software-properties-common firefox firefox-geckodriver libpq-dev wget lsb-release sudo zlib1g-dev git build-essential
+
+DISTRO="$(lsb_release -cs)"
+USER="codeocean"
+
+sed -i 's/%sudo.*/%sudo   ALL=(ALL) NOPASSWD: ALL/g' /etc/sudoers
+
+# setup codeocean user
+useradd -m ${USER}
+usermod -aG sudo ${USER}
+echo "${USER}:${USER}" | chpasswd
+cd /home/${USER}
+
+# PostgreSQL
+sh -c 'echo "deb http://apt.postgresql.org/pub/repos/apt $(lsb_release -cs)-pgdg main" > /etc/apt/sources.list.d/pgdg.list'
+wget --quiet -O - https://www.postgresql.org/media/keys/ACCC4CF8.asc | apt-key add -
+apt -qq update && apt -qq install -y postgresql-client postgresql
+
+# Install node
+curl -sSL https://deb.nodesource.com/gpgkey/nodesource.gpg.key | apt-key add -
+echo "deb https://deb.nodesource.com/node_$node_version.x $DISTRO main" | tee /etc/apt/sources.list.d/nodesource.list
+echo "deb-src https://deb.nodesource.com/node_$node_version.x $DISTRO main" | tee -a /etc/apt/sources.list.d/nodesource.list
+apt -qq update && apt -qq install -y nodejs
+
+# yarn
+curl -sS https://dl.yarnpkg.com/debian/pubkey.gpg | apt-key add -
+echo "deb https://dl.yarnpkg.com/debian/ stable main" | tee /etc/apt/sources.list.d/yarn.list
+apt -qq update && apt -qq install -y yarn
+
+# Docker
+curl -fsSL https://download.docker.com/linux/ubuntu/gpg | apt-key add -
+add-apt-repository \
+   "deb [arch=amd64] https://download.docker.com/linux/ubuntu \
+   $DISTRO \
+   stable"
+apt -qq update && apt -qq -y install docker-ce docker-ce-cli containerd.io
+
+usermod -aG docker ${USER}
+
+mkdir -p /etc/docker
+touch /etc/docker/daemon.json
+tee -a /etc/docker/daemon.json <<EOF
+{
+	"hosts": ["tcp://127.0.0.1:2376", "unix:///var/run/docker.sock"],
+	"iptables": false,
+	"live-restore": true,
+        "userns-remap": "default"
+}
+EOF
+
+mkdir -p /etc/systemd/system/docker.service.d/
+tee -a /etc/systemd/system/docker.service.d/override.conf <<EOF
+[Service]
+# Empty line is required
+ExecStart=
+ExecStart=/usr/bin/dockerd -H fd:// -H tcp://127.0.0.1:2376
+EOF
+
+tee -a /etc/sysctl.d/90-docker-keys-userns.conf <<EOF
+#
+# Increases the session key quota per user. Otherwise, some docker containers would not start with the following error:
+# OCI runtime exec failed: exec failed: container_linux.go:348: starting container process caused "could not create session key: disk quota exceeded": unknown
+kernel.keys.maxkeys=100000
+EOF
+
+if  ! grep -q code_ocean /etc/postgresql/$postgres_version/main/pg_hba.conf
+then
+      tee /etc/postgresql/$postgres_version/main/pg_hba.conf <<EOF
+# code_ocean: drop access control
+local all all trust
+host  all all 127.0.0.1/32 trust
+host  all all ::1/128 trust
+EOF
+#  service postgresql restart
+fi
+
+locale-gen en_US en_US.UTF-8
+