use declare instead of printenv for safe env var export. Fixes #105

bin/docker-entrypoint.sh

@@ -71,9 +71,8 @@ install() {
 }
 
 email_cron_job() {
-  printenv > /etc/environment
-  sed -i 's/=\(.*\)/="\1"/g' /etc/environment
   cron_task='/etc/cron.d/passbolt_email'
+  declare -p | grep -Ev 'BASHOPTS|BASH_VERSINFO|EUID|PPID|SHELLOPTS|UID' > /etc/environment
   if [ ! -f "$cron_task" ]; then
     echo "* * * * * su -c \"source /etc/environment ; /var/www/passbolt/bin/cake EmailQueue.sender\" -s /bin/bash www-data >> /var/log/cron.log 2>&1" >> $cron_task
     crontab /etc/cron.d/passbolt_email

spec/docker_runtime/runtime_spec.rb

@@ -9,7 +9,7 @@ describe 'passbolt_api service' do
         'MYSQL_ROOT_PASSWORD=test',
         'MYSQL_DATABASE=passbolt',
         'MYSQL_USER=passbolt',
-        'MYSQL_PASSWORD=P4ssb0lt'
+        'MYSQL_PASSWORD=±!@#$%^&*()_+=-}{|:;<>?'
       ],
       "Healthcheck" => {
         "Test": [
@@ -28,7 +28,7 @@ describe 'passbolt_api service' do
     @container = Docker::Container.create(
       'Env' => [
         "DATASOURCES_DEFAULT_HOST=#{@mysql.json['NetworkSettings']['IPAddress']}",
-        'DATASOURCES_DEFAULT_PASSWORD=P4ssb0lt',
+        'DATASOURCES_DEFAULT_PASSWORD=±!@#$%^&*()_+=-}{|:;<>?',
         'DATASOURCES_DEFAULT_USERNAME=passbolt',
         'DATASOURCES_DEFAULT_DATABASE=passbolt',
         'PASSBOLT_SSL_FORCE=true'