Luke questions

• dockerized postgres - lock file "postmaster.pid" is empty
• django admin - overriding changelist_view for single entry models
• django cms - resolving pages url by slug
• django admin fieldsets - adding fields of related models
• Django CMS - not able to upload images through cmsplugin_filer_image
• Django QuerySet get_or_create - TypeError - save() got an unexpected keyword argument 'using'
• docker alpine with node js and chromium headless - puppeter - failed to launch chrome
• django queryset - searching for firstname and lastname
• Magento - get rule from coupon code
• Google maps auto-fit (auto center & autozoom) doesn't work

Luke answers