/// 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>

```Dockerfile
FROM python:3.9

WORKDIR /code

COPY ./requirements.txt /code/requirements.txt

RUN pip install --no-cache-dir --upgrade -r /code/requirements.txt

        // Verify large message is handled
        assertNotNull(result);
        assertTrue(result.length() > 1000);
        assertTrue(result.contains("Error detail 0"));
        assertTrue(result.contains("Error detail 999"));
        assertTrue(result.endsWith("\n"));
    }

    public void test_execute_withCheckedExceptionWrapped() {

    // checkPublicSuffix("a.b.example.local", null);
    // TLD with only 1 rule.
    checkPublicSuffix("biz", null)
    checkPublicSuffix("domain.biz", "domain.biz")
    checkPublicSuffix("b.domain.biz", "domain.biz")
    checkPublicSuffix("a.b.domain.biz", "domain.biz")
    // TLD with some 2-level rules.
    checkPublicSuffix("com", null)
    checkPublicSuffix("example.com", "example.com")

| `license_info` | `dict` | 🛂 ℹ 🎦 🛠️. ⚫️ 💪 🔌 📚 🏑. <details><summary><code>license_info</code> 🏑</summary><table><thead><tr><th>🔢</th><th>🆎</th><th>📛</th></tr></thead><tbody><tr><td><code>name</code></td><td><code>str</code></td><td><strong>🚚</strong> (🚥 <code>license_info</code> ⚒). 🛂 📛 ⚙️ 🛠️.</td></tr><tr><td><code>url</code></td><td><code>str</code></td><td>📛 🛂 ⚙️ 🛠️. 🔜 📁 📛. </td></tr></tbody></table></details> |

👆 💪 ⚒ 👫 ⏩:

// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
// GNU Affero General Public License for more details.
//
// You should have received a copy of the GNU Affero General Public License
// along with this program.  If not, see <http://www.gnu.org/licenses/>.

package cmd

import (
	"net/http"
	"strings"

            form.crudMode = CrudMode.DETAILS;
            return asDetailsHtml();
        }
        form.crudMode = CrudMode.EDIT;
        return asEditHtml();
    }

    // -----------------------------------------------------
    //                                               Details
    //                                               -------
    /**
     * Show the details page.

With `openapi_examples` added to `Body()` the `/docs` would look like:

<img src="/img/tutorial/body-fields/image02.png">

## Technical Details { #technical-details }

/// tip

If you are already using **FastAPI** version **0.99.0 or above**, you can probably **skip** these details.

They are more relevant for older versions, before OpenAPI 3.1.0 was available.

     */
    private final Throwable[] throwables;

    /**
     * Creates a new MultipleCrawlingAccessException with the specified detail message and array of throwables.
     *
     * @param message the detail message explaining the reason for the exception
     * @param throwables the array of throwables that caused this exception
     */

        /** The SAM server handle */
        public rpc.policy_handle handle;
        /** The desired access rights to the domain */
        public int access_mask;
        /** The SID of the domain to open */
        public rpc.sid_t sid;
        /** The returned handle to the domain */
        public rpc.policy_handle domain_handle;

        /**
         * Constructs a SamrOpenDomain request.
         *

        /** The SAM server handle */
        public rpc.policy_handle handle;
        /** The desired access rights to the domain */
        public int access_mask;
        /** The SID of the domain to open */
        public rpc.sid_t sid;
        /** The returned handle to the domain */
        public rpc.policy_handle domain_handle;

        /**
         * Constructs a SamrOpenDomain request.
         *