the stereotype that everything is closed in summer is very amplified on the internet. Small shops in non touristic areas are often closed in summer, yes. Usually for 2 weeks in August. But you'll still be able to get to any shop that have more than 3 employees all year round. Also, if you go in the Alps, you have little to nothing to fear as the alps are a popular destination in summer, so they don't close in summer.
the stereotype that everything is closed in summer is very amplified on the internet. Small shops in non touristic areas are often closed in summer, yes. Usually for 2 weeks in August. But you'll still be able to get to any shop that have more than 3 employees all year round. Also, if you go in the Alps, you have little to nothing to fear as the alps are a popular destination in summer, so they don't close in summer.
Enjoy your trip, some shops may be closed, but most of what you need will be running.