feat: set multiple variables via keyword args (#804)

Just a tiny addition to make large configurations easier to do in code.

---------

Co-authored-by: Roy Moore <roy@moore.co.il>
Co-authored-by: David Ankin <daveankin@gmail.com>

Author: 3 people

conf.py

@@ -167,4 +167,5 @@
 
 nitpick_ignore = [
     ("py:class", "typing_extensions.Self"),
+    ("py:class", "docker.models.containers.ExecResult"),
 ]

core/testcontainers/core/container.py

@@ -101,6 +101,10 @@ def with_env(self, key: str, value: str) -> Self:
         self.env[key] = value
         return self
 
+    def with_envs(self, **variables: str) -> Self:
+        self.env.update(variables)
+        return self
+
     def with_env_file(self, env_file: Union[str, PathLike[str]]) -> Self:
         env_values = dotenv_values(env_file)
         for key, value in env_values.items():