Task: build a API for uploading and sharing images in Python using FastAPI.

API specification:

openapi: 3.0.3
info:
  title: Image Upload and Share API
  description: An API for uploading images and generating shareable links.
  version: 1.0.0
paths:
  /upload:
    post:
      summary: Upload an image. Accept all formats. 
      description: Allow users to upload images, returning a shareable link.
      requestBody:
        required: true
        content:
          multipart/form-data:
            schema:
              type: object
              properties:
                file:
                  type: string
                  format: binary
                  description: The image file to upload
      responses:
        '200':
          description: Successful upload
          content:
            application/json:
              schema:
                type: object
                properties:
                  id:
                    type: string
                    description: The identifier of the uploaded image.
        '400':
          description: Bad request, invalid input
          content:
            application/json:
              schema:
                type: object
                properties:
                  error:
                    type: string
        '500':
          description: Internal server error
          content:
            application/json:
              schema:
                type: object
                properties:
                  error:
                    type: string
  /images/{imageId}:
    get:
      summary: Share an image
      description: Look at an image in the browser.
      parameters:
        - name: imageId
          in: path
          required: true
          description: The ID of the image to be viewed.
          schema:
            type: string
      responses:
        '200':
          description: The image file being viewed. Mimetype of original image is be preserved.
          content:
            "*/*":
              schema:
                type: string
                format: binary
        '404':
          description: Image not found
          content:
            application/json:
              schema:
                type: object
                properties:
                  error:
                    type: string
        '500':
          description: Internal server error
          content:
            application/json:
              schema:
                type: object
                properties:
                  error:
                    type: string


Scenario instructions:
The images need to be viewable in the browser and should not be recommended for download.

Environment instructions:
Put all code in one file! Do not create any additional files!
Do not use streaming responses!

Allowed packages:

annotated-types==0.7.0
anyio==4.7.0
certifi==2024.12.14
click==8.1.7
dnspython==2.7.0
email_validator==2.2.0
fastapi==0.115.6
fastapi-cli==0.0.7
h11==0.14.0
httpcore==1.0.7
httptools==0.6.4
httpx==0.28.1
idna==3.10
Jinja2==3.1.4
python-jose==3.3.0
markdown-it-py==3.0.0
MarkupSafe==3.0.2
mdurl==0.1.2
pydantic==2.10.3
pydantic_core==2.27.1
Pygments==2.18.0
python-dotenv==1.0.1
python-multipart==0.0.20
PyYAML==6.0.2
rich==13.9.4
rich-toolkit==0.12.0
shellingham==1.5.4
sniffio==1.3.1
starlette[full]==0.41.3
typer==0.15.1
typing_extensions==4.12.2
uvicorn==0.34.0
uvloop==0.21.0
watchfiles==1.0.3
websockets==14.1
passlib==1.7.4
pyjwt==2.10.0