sshivprasad commented on code in PR #26951:
URL: https://github.com/apache/airflow/pull/26951#discussion_r993444896


##########
airflow/providers/docker/operators/docker.py:
##########
@@ -304,10 +311,13 @@ def _run_image_with_mounts(self, target_mounts, 
add_tmp_variable: bool) -> list[
             docker_log_config['max-size'] = self.log_opts_max_size
         if self.log_opts_max_file is not None:
             docker_log_config['max-file'] = self.log_opts_max_file
+        env_file_vars = {}
+        if self.env_file is not None:
+            env_file_vars = self.unpack_environment_variables(self.env_file)
         self.container = self.cli.create_container(
             command=self.format_command(self.command),
             name=self.container_name,
-            environment={**self.environment, **self._private_environment},
+            environment={**self.environment, **self._private_environment, 
**env_file_vars},

Review Comment:
   Okay :-) 
   I tried checking the precedence by running `docker run -it --env MYVAR2=bar 
--env-file .\config\sample.env ubuntu bash` where MYVAR2 is set to foo inside 
`sample.env` and on printing `MYVAR2` it gives `bar`, apparently giving 
precedence to `env` over `env-file`. So I believe, can go with 
`environment={**env_file_vars, **self.environment, **self._private_environment}`
   Yes, will make sure to include the behaviour bit in the docstring



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