Storing image files directly to mongodb

Question

I don't need gridFs as my images file won't be more than 16mb for sure. I also don't need file storage like s3 which I used for most of the project.

I have confusion with using bson data to directly store the image to mongodb document. Says I don't have a file from client, I have just an image link like example.com/v1/myImg.jpge, what should I do first? convert the images to base64 and then store it as binary type?

A base64 would be a string, but yes, that is the way to go.

Markus W Mahlberg
– Markus W Mahlberg

2016-03-16 12:28:23 +00:00
Commented Mar 16, 2016 at 12:28 — Markus W Mahlberg
– Markus W Mahlberg, Commented Mar 16, 2016 at 12:28

Derick · Accepted Answer · 2016-03-16 15:13:55Z

4

You should probably fetch the whole file, and then either convert them to base64 and store it in a string, or, don't convert it to base64 and store it as Binary. The latter uses less space. You can wrap your data directly in Binary() - without the base64 conversion. See the docs at https://mongodb.github.io/node-mongodb-native/api-bson-generated/binary.html

answered Mar 16, 2016 at 15:13

Derick

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2 Comments

Jennifer Over a year ago

what is the different btw base64 and binary? I thought image is best always in base64? I always use base64 image when i was using PHP.

Derick Over a year ago

base64 encodes binary data as a string. For every 3 original bytes, it needs four base64 characters, increasing the size by ⅓rd. Some languages/databases aren't great with binary data in specific contexts, and there base64 encoding makes sense. It's not needed for MongoDB (as long as you wrap it in Binary()).

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