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[GH-ISSUE #784] Provide option to disable loading .env file by default #492

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opened 2026-03-01 21:43:52 +03:00 by kerem · 1 comment

kerem commented

2026-03-01 21:43:52 +03:00

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Originally created by @nenadfilipovic on GitHub (Aug 22, 2021).
Original GitHub issue: https://github.com/nektos/act/issues/784

System information

Operating System: Linux
Architecture: x64
Apple M1: /
Docker version: /
Docker image used in act: /
act version: 0.2.24

Expected behaviour

Please provide a way to disable loading .env file as default.

Actual behaviour

Act loads .env file as default, my workflow does not use environment vars, it uses only secrets. I was banging my head whole day why my workflow does not fail even when I comment out environment object inside workflow. My app needs these values and with those values commented out my app would still build and that would never happen inside GitHub actions workflow, it would fail every time.

Example:

name: Continuous integration

on:
  pull_request:
    branches:
      - main
    paths-ignore:
      - '**/*.md'

env:
#   POSTGRES_DB: ${{ secrets.POSTGRES_DB }}
#   POSTGRES_PORT: ${{ secrets.POSTGRES_PORT }}
#   POSTGRES_USER: ${{ secrets.POSTGRES_USER }}
#   POSTGRES_HOST: ${{ secrets.POSTGRES_HOST }}
#   POSTGRES_PASSWORD: ${{ secrets.POSTGRES_PASSWORD }}

This would work perfectly fine and when pushed to GitHub CI it would fail.

Workflow and/or repository

Steps to reproduce

Provide environment for whole workflow and hydrate it from secrets, when executed act will load .env and you will get fake impression that everything works and your app wont ask for other environment vars.

I provided --env-file .fake.env inside .actrc to prevent it from loading my .env file.
In this configuration I get these warnings and that would never happen if I let act load .env file:

WARNING: The HOST variable is not set. Defaulting to a blank string.
WARNING: The APP_PORT variable is not set. Defaulting to a blank string.
WARNING: The APP_HOSTNAME variable is not set. Defaulting to a blank string.
WARNING: The INFLUXDB_USER variable is not set. Defaulting to a blank string.
WARNING: The INFLUXDB_PASSWORD variable is not set. Defaulting to a blank string.

`act` output

Originally created by @nenadfilipovic on GitHub (Aug 22, 2021). Original GitHub issue: https://github.com/nektos/act/issues/784 ## System information - Operating System: Linux - Architecture: x64 - Apple M1: / - Docker version: / - Docker image used in `act`: / - `act` version: 0.2.24 ## Expected behaviour Please provide a way to disable loading .env file as default. ## Actual behaviour Act loads `.env` file as default, my workflow does not use environment vars, it uses only secrets. I was banging my head whole day why my workflow does not fail even when I comment out environment object inside workflow. My app needs these values and with those values commented out my app would still build and that would never happen inside GitHub actions workflow, it would fail every time. Example: ```yml name: Continuous integration on: pull_request: branches: - main paths-ignore: - '**/*.md' env: # POSTGRES_DB: ${{ secrets.POSTGRES_DB }} # POSTGRES_PORT: ${{ secrets.POSTGRES_PORT }} # POSTGRES_USER: ${{ secrets.POSTGRES_USER }} # POSTGRES_HOST: ${{ secrets.POSTGRES_HOST }} # POSTGRES_PASSWORD: ${{ secrets.POSTGRES_PASSWORD }} ``` This would work perfectly fine and when pushed to GitHub CI it would fail. ## Workflow and/or repository / ## Steps to reproduce Provide environment for whole workflow and hydrate it from secrets, when executed act will load `.env` and you will get fake impression that everything works and your app wont ask for other environment vars. I provided `--env-file .fake.env` inside .actrc to prevent it from loading my .env file. In this configuration I get these warnings and that would never happen if I let act load .env file: ``` WARNING: The HOST variable is not set. Defaulting to a blank string. WARNING: The APP_PORT variable is not set. Defaulting to a blank string. WARNING: The APP_HOSTNAME variable is not set. Defaulting to a blank string. WARNING: The INFLUXDB_USER variable is not set. Defaulting to a blank string. WARNING: The INFLUXDB_PASSWORD variable is not set. Defaulting to a blank string. ``` ## `act` output /

kerem

2026-03-01 21:43:52 +03:00

closed this issue
added the
kind/bug
label

kerem commented

2026-03-01 21:43:53 +03:00

Author

Owner

@catthehacker commented on GitHub (Aug 22, 2021):

act --env-file=""

@catthehacker commented on GitHub (Aug 22, 2021): `act --env-file=""`

kerem referenced this issue

2026-03-01 21:51:19 +03:00

[PR #494] [MERGED] Print error when runs-on key is not defined #1470

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