return TestUtils.createMockContext(options);
    }

    private UpgradeOptions createDefaultOptions() {
        return TestUtils.createDefaultOptions();
    }

    @Nested
    @DisplayName("Applicability")
    class ApplicabilityTests {

        @Test
        @DisplayName("should be applicable when --model option is true")
        void shouldBeApplicableWhenModelOptionTrue() {

        return TestUtils.createMockContext(options);
    }

    private UpgradeOptions createDefaultOptions() {
        return TestUtils.createDefaultOptions();
    }

    @Nested
    @DisplayName("Applicability")
    class ApplicabilityTests {

        @Test
        @DisplayName("should be applicable when --plugins option is true")
        void shouldBeApplicableWhenPluginsOptionTrue() {

        }
        return list;
    }

    /**
     * Returns true if the supplied method is applicable to actual
     * argument types.
     *
     * @param method  The method to check for applicability
     * @param classes The arguments
     * @return true if the method applies to the parameter types
     */
    private static boolean isApplicable(Method method, Class<?>... classes) {

        return TestUtils.createMockContext(options);
    }

    @Nested
    @DisplayName("Applicability")
    class ApplicabilityTests {

        @ParameterizedTest
        @MethodSource("provideApplicabilityScenarios")
        @DisplayName("should determine applicability based on options")
        void shouldDetermineApplicabilityBasedOnOptions(

        return TestUtils.createMockContext(options);
    }

    private UpgradeOptions createDefaultOptions() {
        return TestUtils.createDefaultOptions();
    }

    @Nested
    @DisplayName("Applicability")
    class ApplicabilityTests {

        @Test
        @DisplayName("should be applicable when --infer option is true")
        void shouldBeApplicableWhenInferOptionTrue() {

Using Linux containers has several advantages including **security**, **replicability**, **simplicity**, and others.

/// tip

In a hurry and already know this stuff? Jump to the [`Dockerfile` below 👇](#build-a-docker-image-for-fastapi).

///

<details>
<summary>Dockerfile Preview 👀</summary>