Add Litestream->R2 replication + start.sh + Dockerfile for AWS Fargate (#1)

Dockerfile

@@ -40,6 +40,8 @@ COPY ./app/views ./app/views
 
 RUN echo "gem 'shakapacker'" > Gemfile && ./bin/shakapacker
 
+FROM litestream/litestream:0.5.11 AS litestream
+
 FROM ruby:4.0.1-alpine AS app
 
 ENV RAILS_ENV=production
@@ -95,5 +97,11 @@ ENV HOME=/home/docuseal
 ENV WORKDIR=/data/docuseal
 ENV VIPS_MAX_COORD=17000
 
+# Litestream: restore-on-boot + continuous replication of the SQLite db to R2.
+COPY --from=litestream /usr/local/bin/litestream /usr/local/bin/litestream
+COPY litestream.yml /etc/litestream.yml
+COPY scripts/start.sh /usr/local/bin/start.sh
+RUN chmod +x /usr/local/bin/start.sh
+
 EXPOSE 3000
-CMD ["/app/bin/bundle", "exec", "puma", "-C", "/app/config/puma.rb", "--dir", "/app"]
+CMD ["/usr/local/bin/start.sh"]

litestream.yml

@@ -0,0 +1,13 @@
+# Litestream: replicate docuseal's SQLite db to R2 (same creds/bucket as attachments).
+dbs:
+  - path: /data/docuseal/db.sqlite3
+    replicas:
+      - type: s3
+        bucket: ${S3_ATTACHMENTS_BUCKET}
+        path: litestream/docuseal
+        endpoint: ${S3_ENDPOINT}
+        region: auto
+        access-key-id: ${AWS_ACCESS_KEY_ID}
+        secret-access-key: ${AWS_SECRET_ACCESS_KEY}
+        sync-interval: 60s
+        retention: 168h

scripts/start.sh

@@ -0,0 +1,9 @@
+#!/bin/sh
+set -e
+DB=/data/docuseal/db.sqlite3
+mkdir -p /data/docuseal
+if [ ! -f "$DB" ]; then
+  echo "[start.sh] DB missing — restoring from R2 via litestream..."
+  litestream restore -if-replica-exists -config /etc/litestream.yml "$DB" || echo "[start.sh] WARN: restore failed; starting empty."
+fi
+exec litestream replicate -config /etc/litestream.yml -exec "/app/bin/bundle exec puma -C /app/config/puma.rb --dir /app"