But they are both "Sicherheit" since in compound words the main word is the last word. You could say "Ist dein Haus sicher?" and mean "is your house secure" if a burglar is targeting your neighbourhood or "is your house safe" if a storm is passing over it. You can distinguish both cases with context or compound words, but it's not generally done.
Same here. Gotta replace the battery some time soon, but still _very_ happy with it. If it should ever break, this SE generation looks like the best replacement option.
We have started using Makefiles for this. Our Jenkinsfiles are only used for the orchestration and reporting. All our applications can be build, tested, and released by our employees on their machines. Works great for us!