docker compose pull then up test

docker-compose.yaml

services:
  app:
    image: php:8.5-cli
    build:
      context: .
      dockerfile: Dockerfile
    entrypoint: ["tail", "-f", "/dev/null"]

Dockerfile

FROM alpine:latest

RUN touch /app/test.txt

ENTRYPOINT ["tail", "-f", "/dev/null"]

log.txt

❯ docker compose pull
[+] Pulling 1/1
 ✔ app Pulled                                                                                                                                                                         1.1s
❯ docker compose up -d
[+] Running 1/1
 ✔ Container dtest-app-1  Started                                                                                                                                                     0.1s
❯ docker ps
CONTAINER ID   IMAGE         COMMAND               CREATED          STATUS         PORTS     NAMES
5c1975103561   php:8.5-cli   "tail -f /dev/null"   20 seconds ago   Up 2 seconds             dtest-app-1

# notice the image is from the compose, not dockerfile