fbeline / flickr-fetcher

flickr-fetcher

Download images from flickr feed.

Getting Started

1. Start the application: lein run
2. Download images from flickr feed.

curl -X POST http://localhost:8080/api/flickr/feed \
  -H "Content-Type: application/json" \
  -d '{"limit": 5, "size": {"width": 50, "height": 50}}' -v

3. Downloaded images default location: {project}/flickr/photos/

Payload attributes

There is no required attribute.

attr
limit	specify the number of images to return
size	specify a resize width and height, ex: {"width": 120, "height": 120}

limit, size/width and size/height must be positive numbers greater than zero.

HTTP status references

status
200	Success, but no images were saved.
201	Success with one or more images being created.
400	Invalid request payload.
413	No space left on disk.

Images location

You can set the enviroment variable GALLERY_PATH in order to choose where the images will be saved.

Running the tests

lein test

Developing

1. Start a new REPL: lein repl
2. Start the service in dev-mode: (def dev-serv (run-dev))
3. Connect your editor to the running REPL session. Re-evaluated code will be seen immediately in the service.

Docker container support

1. Configure your service to accept incoming connections (edit service.clj and add ::http/host "0.0.0.0" )
2. Build an uberjar of your service: lein uberjar
3. Build a Docker image: sudo docker build -t flickr-fetcher .
4. Run your Docker image: docker run -p 8080:8080 flickr-fetcher

OSv unikernel support with Capstan

1. Build and run your image: capstan run -f "8080:8080"

Once the image it built, it's cached. To delete the image and build a new one:

1. capstan rmi flickr-fetcher; capstan build