diff --git a/registry/.env.example b/registry/.env.example
index e69de29..1a25b56 100644
--- a/registry/.env.example
+++ b/registry/.env.example
@@ -0,0 +1,13 @@
+GITHUB_USERNAME=      # username of github account with push access to the index repository
+GITHUB_PAT=           # personal access token of github account with push access to the index repository
+
+COMMITTER_GIT_NAME=   # name of the committer used for index updates
+COMMITTER_GIT_EMAIL=  # email of the committer used for index updates
+
+S3_ENDPOINT=          # endpoint of the s3 bucket
+S3_BUCKET_NAME=       # name of the s3 bucket
+S3_REGION=            # region of the s3 bucket
+S3_ACCESS_KEY=        # access key of the s3 bucket
+S3_SECRET_KEY=        # secret key of the s3 bucket
+
+SENTRY_URL=           # optional url of sentry error tracking
\ No newline at end of file