Regression in handling of environment variables #9492
Description
BUG REPORT INFORMATION
Description
From the documentation:
Values in the shell take precedence over those specified in the .env file.
This is no longer true since the 2.5.1 release.
Steps to reproduce the issue:
- Create a
docker-compose.yamlfile with:
services:
alpine:
image: alpine:latest
environment:
- MY_VAR- Create a
.envfile with:
MY_VAR=file- Run
MY_VAR=shell docker compose run alpine printenv MY_VAR
Describe the results you received:
Current output: file
Describe the results you expected:
Expected output: shell
Additional information you deem important (e.g. issue happens only occasionally):
Works on Docker Compose 2.5.0.
Output of docker compose version:
Docker Compose version 2.5.1
Output of docker version:
Client:
Version: 20.10.16
API version: 1.41
Go version: go1.18.1
Git commit: aa7e414fdc
Built: Sat May 14 12:48:33 2022
OS/Arch: linux/amd64
Context: default
Experimental: true
Server:
Engine:
Version: 20.10.16
API version: 1.41 (minimum version 1.12)
Go version: go1.18.1
Git commit: f756502055
Built: Sat May 14 12:47:27 2022
OS/Arch: linux/amd64
Experimental: false
containerd:
Version: v1.6.4
GitCommit: 212e8b6fa2f44b9c21b2798135fc6fb7c53efc16.m
runc:
Version: 1.1.2
GitCommit:
docker-init:
Version: 0.19.0
GitCommit: de40ad0
Output of docker info
Client:
Context: default
Debug Mode: false
Plugins:
buildx: Docker Buildx (Docker Inc., v0.8.2-docker)
compose: Docker Compose (Docker Inc., 2.5.0)
Server:
Containers: 186
Running: 12
Paused: 0
Stopped: 174
Images: 22
Server Version: 20.10.16
Storage Driver: overlay2
Backing Filesystem: extfs
Supports d_type: true
Native Overlay Diff: false
userxattr: false
Logging Driver: json-file
Cgroup Driver: systemd
Cgroup Version: 2
Plugins:
Volume: local
Network: bridge host ipvlan macvlan null overlay
Log: awslogs fluentd gcplogs gelf journald json-file local logentries splunk syslog
Swarm: inactive
Runtimes: io.containerd.runc.v2 io.containerd.runtime.v1.linux runc
Default Runtime: runc
Init Binary: docker-init
containerd version: 212e8b6fa2f44b9c21b2798135fc6fb7c53efc16.m
runc version:
init version: de40ad0
Security Options:
seccomp
Profile: default
cgroupns
Kernel Version: 5.17.9-arch1-1
Operating System: Arch Linux
OSType: linux
Architecture: x86_64
CPUs: 4
Total Memory: 15.57GiB
Name: cdejoye-arch
ID: YFDR:NZWH:MQ5W:LNXA:3F47:VZMQ:7MPC:MUKR:4LT6:SUFM:TRTW:BTFN
Docker Root Dir: /var/lib/docker
Debug Mode: false
Registry: https://index.docker.io/v1/
Labels:
Experimental: false
Insecure Registries:
127.0.0.0/8
Live Restore Enabled: false
Additional environment details: