diff --git a/README.md b/README.md
index 552bd2f..d8bcd09 100644
--- a/README.md
+++ b/README.md
@@ -1,7 +1,7 @@
 # salmon-sync
 
-This is a Github Action that syncs a folder to a Google Cloud bucket using `rclone` and then send an authenticated request to the doc site to invalidate the cache for the doc version.
-This action is only meant to work for Deephaven's documentation. It could be used in a more general purpose way to sync a folder into any Google cloud bucket (with the proper credentials), but that is subject to change and may break in any version.
+This is a Github Action that syncs a folder to a S3 bucket using `rclone`.
+This action is only meant to work for Deephaven's documentation.
 
 ## Parameters
 
@@ -15,22 +15,20 @@ inputs:
     required: true
     type: string
     description: "The destination directory to sync. Relative to the bucket. It is recommended to use the GitHub repo path (such as deephaven/salmon-sync) as the minimum base to prevent collisions."
-  bucket:
+  aws-role:
     required: true
     type: string
-    description: "The Google Cloud bucket to sync to."
-  credentials:
-    required: true
-    type: string
-    description: "The Google Cloud credentials. Should be base64 encoded."
-  cache-bust-token:
-    required: true
-    type: string
-    description: "The cache-bust token"
-  docs-url:
-    required: true
-    type: string
-    description: "The doc site URL"
+    description: "The AWS role to assume."
+  production:
+    required: false
+    default: "false"
+    type: boolean
+    description: "If true, the files will be deployed to the production site. Otherwise they will be deployed to the preview site."
+  temporary:
+    required: false
+    default: "true"
+    type: boolean
+    description: "If true, the files will be marked as temporary and deleted after 14 days. Otherwise they will persist in S3 indefinitely."
 ```
 
 ## Example
@@ -44,8 +42,7 @@ Here is an example that syncs from the local path `temp/blog` to the blog sectio
   with:
     source: temp/blog
     destination: deephaven/deephaven.io/blog
-    bucket: ${{ vars.DOCS_PROD_BUCKET }} # or ${{ vars.DOCS_PREVIEW_BUCKET }}
-    credentials: ${{ secrets.DOCS_GOOGLE_CLOUD_CREDENTIALS }}
-    cache-bust-token: ${{ secrets.DOCS_CACHE_BUST_TOKEN }}
-    docs-url: ${{ vars.DOCS_PROD_URL }} # or ${{ vars.DOCS_PREVIEW_URL }}
+    production: true # false for pr previews
+    temporary: false # true will delete non-production files after 14 days
+    aws-role: ${{ vars.DOCS_AWS_ROLE }}
 ```
diff --git a/action.yml b/action.yml
index 7137244..0ddac3e 100644
--- a/action.yml
+++ b/action.yml
@@ -1,5 +1,5 @@
 name: Sync Salmon Directory
-description: Syncs a directory to a Google Cloud bucket using rclone.
+description: Syncs a directory to a bucket using rclone.
 author: "deephaven"
 inputs:
   source:
@@ -10,22 +10,20 @@ inputs:
     required: true
     type: string
     description: "The destination directory to sync. Relative to the bucket. It is recommended to use the GitHub repo path (such as deephaven/salmon-sync) as the minimum base to prevent collisions."
-  bucket:
+  aws-role:
     required: true
     type: string
-    description: "The Google Cloud bucket to sync to."
-  credentials:
-    required: true
-    type: string
-    description: "The Google Cloud credentials. Should be base64 encoded."
-  cache-bust-token:
-    required: true
-    type: string
-    description: "The cache-bust token"
-  docs-url:
-    required: true
-    type: string
-    description: "The doc site URL"
+    description: "The AWS role to assume."
+  production:
+    required: false
+    default: "false"
+    type: boolean
+    description: "If true, the files will be deployed to the production site. Otherwise they will be deployed to the preview site."
+  temporary:
+    required: false
+    default: "true"
+    type: boolean
+    description: "If true, the files will be marked as temporary and deleted after 14 days. Otherwise they will persist in S3 indefinitely."
 
 runs:
   using: "composite"
@@ -35,28 +33,20 @@ runs:
       with:
         version: v1.68.1
 
-    - name: Decode credentials
-      shell: bash
-      run: |
-        echo $RCLONE_GCS_SERVICE_ACCOUNT_CREDENTIALS_ENCODED | base64 --decode > $HOME/credentials.json
-      env:
-        RCLONE_GCS_SERVICE_ACCOUNT_CREDENTIALS_ENCODED: ${{ inputs.credentials }}
+    - name: AWS OIDC Auth
+      uses: aws-actions/configure-aws-credentials@v4
+      with:
+        aws-region: us-east-2 # Docs are hosted in us-east-2
+        role-to-assume: ${{ inputs.aws-role }}
 
     - name: Sync source to destination
       shell: bash
       env:
-        RCLONE_CONFIG_GCS_TYPE: "google cloud storage"
-        RCLONE_GCS_SERVICE_ACCOUNT_FILE: $HOME/credentials.json
-        RCLONE_GCS_BUCKET_POLICY_ONLY: "true"
-      run: rclone sync ${{ inputs.source }} gcs:${{ inputs.bucket }}/${{ inputs.destination }}
-
-    - name: Bust cache
-      shell: bash
-      env:
-        CACHE_BUST_TOKEN: ${{ inputs.cache-bust-token }}
+        RCLONE_S3_PROVIDER: AWS
+        RCLONE_S3_REGION: us-east-2
+        RCLONE_S3_ENV_AUTH: true
+        RCLONE_S3_NO_CHECK_BUCKET: true # Don't try to create the bucket and fail if it doesn't exist
+      # Check temporary != 'false' so any other value is marked as temporary since there's no actual validation of boolean or required inputs
+      # The production bucket doesn't have a lifecycle rule, so omitting temporary just results in a tag on files. They won't actually be deleted
       run: |
-        curl --fail-with-body --show-error --silent \
-          --request POST \
-          --header "authorization: Bearer $CACHE_BUST_TOKEN" \
-          --data "{ \"tags\": [ \"${{ inputs.destination }}\" ]}" \
-          --url ${{ inputs.docs-url }}/api/cache-bust/
+        rclone sync --fast-list --checksum ${{ inputs.source }} :s3:${{ inputs.production == 'true' && 'deephaven-docs' || 'deephaven-docs-preview' }}/${{ inputs.destination }} ${{ inputs.temporary != 'false' && '--header-upload "x-amz-tagging: temporary=true"' || '' }}