HackMD/docs/guides/s3-image-upload.md

Guide - Setup HackMD S3 image upload

1. Go to AWS S3 console and create a new bucket.

   

2. Click on bucket, select Properties on the side panel, and find Permission section. Click Edit bucket policy.

   

3. Enter the following policy, replace bucket_name with your bucket name:

   

   {
       "Version": "2012-10-17",
       "Statement": [
           {
               "Effect": "Allow",
               "Principal": "*",
               "Action": "s3:GetObject",
               "Resource": "arn:aws:s3:::bucket_name/uploads/*"
           }
       ]
   }
   

4. Go to IAM console and create a new IAM user. Remember your user credentials(key/access token)

5. Enter user page, select Permission tab, look at Inline Policies section, and click Create User Policy

   

6. Select Custom Policy

   

7. Enter the following policy, replace bucket_name with your bucket name:

   

   {
       "Version": "2012-10-17",
       "Statement": [
           {
               "Effect": "Allow",
               "Action": [
                   "s3:*"
               ],
               "Resource": [
                   "arn:aws:s3:::bucket_name/uploads/*"
               ]
           }
       ]
   }
   

8. Edit config.json and set following keys:

   {
       "production": {
           ...
           "imageUploadType": "s3",
           "s3": {
               "accessKeyId": "YOUR_S3_ACCESS_KEY_ID",
               "secretAccessKey": "YOUR_S3_ACCESS_KEY",
               "region": "YOUR_S3_REGION", // example: ap-northeast-1
               "bucket": "YOUR_S3_BUCKET_NAME"
           }
       }
   }
   

9. In additional to edit config.json directly, you could also try environment variable.

Related Tools

• AWS Policy Generator