Error While Attempting to docker-compose a Postgres Image

Question

docker/postgres/Dockerfile looks like this:

FROM postgres:14.5-alpine

WORKDIR /app

docker-compose.yml looks like this:

version: "3.9"

services:
  postgres:
#    image: postgres:14.5-alpine
    build: docker/postgres/Dockerfile
    ports:
      - "5432:5432"
    env_file: docker/postgres/.env

FWIW, docker/postgres/.env looks like this:

POSTGRES_USER=my_postgres
POSTGRES_PASSWORD=password
POSTGRES_DB=users

When I try to % docker compose up, I get the following error:

Error response from daemon: failed to create shim task: OCI runtime create failed: runc create failed: unable to start container process: exec: "postgres": executable file not found in $PATH: unknown
`docker-compose` process finished with exit code 1

Note that when I compose with the image instead of the build, everything works fine. What's the issue?

If you specify build you must indicate a folder, see doc. Remove Dockerfile from build. Write build: docker/postgres or dockerfile: docker/postgres/Dockerfile — Max
– Max, Commented Oct 14, 2022 at 8:20

Slava Kuravsky · Accepted Answer · 2022-10-14 08:25:17Z

2

version: "3.9"

services:
  postgres:
    build:
      context: .
      dockerfile: docker/postgres/Dockerfile
    ports:
      - "5432:5432"
    env_file: docker/postgres/.env

answered Oct 14, 2022 at 8:25

Slava Kuravsky

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9 Comments

Joe Shmo Over a year ago

I get the same error

Slava Kuravsky Over a year ago

Sure, because you didn't kill or recreate container. After you changed the service name to "db", it created new container with "db" instead "postgres" in container name.

Joe Shmo Over a year ago

No, I did kill the container before rerunning docker compose

Slava Kuravsky Over a year ago

What command did you use?

Joe Shmo Over a year ago

I deleted the containers (and the images, and the volumes) on the docker desktop on the UI

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