username@docker-container:/var/www/my-project/var/log$ ls -la
total 430
drwxr-xr-x 2 root root      0 Jul 18 07:34 .
drwxr-xr-x 2 root root      0 Jul 11 14:25 ..
-rwxr-xr-x 1 root root      0 Jul 18 07:35 .gitkeep
-rwxr-xr-x 1 root root  40815 Jul 18 07:30 access.log
-rwxr-xr-x 1 root root 396308 Jul 18 07:37 dev.log
-rwxr-xr-x 1 root root    340 Jul 17 16:08 error.log
username@docker-container:/var/www/my-project/var/log$ cat dev.log
cat: dev.log: No such file or directory
username@docker-container:/var/www/my-project/var/log$ cat dev.log
cat: dev.log: No such file or directory
username@docker-container:/var/www/my-project/var/log$ cat dev.log
[2018-07-18 09:34:10] doctrine.DEBUG: SELECT t0.store AS ... (ETC)

(… This time it was possible to be read! …)


(... Then I try again and I can't open it, even though the file is still there ...)

username@docker-container:/var/www/my-project/var/log$ cat dev.log
cat: dev.log: No such file or directory

username@docker-container:/var/www/my-project/var/log$ ls -la
total 434
drwxr-xr-x 2 root root      0 Jul 18 07:34 .
drwxr-xr-x 2 root root      0 Jul 11 14:25 ..
-rwxr-xr-x 1 root root      0 Jul 18 07:35 .gitkeep
-rwxr-xr-x 1 root root  40815 Jul 18 07:30 access.log
-rwxr-xr-x 1 root root 398678 Jul 18 07:37 dev.log
-rwxr-xr-x 1 root root    340 Jul 17 16:08 error.log

version: '3'
services:

  server:
    build: docker/server
    container_name: docker-container
    volumes:
      - /d/shared/my-project:/var/www/my-project