[snapshots] set bepolia env defaults

Replace placeholder Bepolia config values with concrete RPC and branding defaults while keeping host override guidance in the env file comments.

Author: camembera

apps/snapshot-service/config/bepolia.env

@@ -1,7 +1,7 @@
 # Snapshot service environment configuration: Bepolia
 #
-# NOTE: Review and set all values before deployment.
-# Defaults here are placeholders where Bepolia infra differs.
+# NOTE: These defaults are intended as a starting point.
+# Override host-specific values as needed via SNAPSHOT_CONFIG_FILE.
 
 SNAPSHOT_ENV_NAME="bepolia"
 
@@ -20,12 +20,13 @@ SNAPSHOT_SAFE_MARGIN_GB="25"
 SNAPSHOT_FALLBACK_SIZE_GB="500"
 SNAPSHOT_ACTIVE_TYPES="reth-pruned,reth-archive"
 
-# Sync check (set to your Bepolia public RPC)
-SNAPSHOT_PUBLIC_RPC="https://<your-bepolia-rpc-host>"
+# Sync check
+SNAPSHOT_PUBLIC_RPC="https://bepolia.rpc.berachain.com"
 SNAPSHOT_MAX_BLOCK_LAG="100"
 
-# Public URL/branding (set to your Bepolia snapshot host)
-SNAPSHOT_PUBLIC_URL_BASE="https://<your-bepolia-snapshots-host>"
+# Public URL/branding
+# If your deployment uses another host, update this value.
+SNAPSHOT_PUBLIC_URL_BASE="https://snapshots.bepolia.berachain.com"
 SNAPSHOT_SITE_TITLE="Berachain Bepolia Snapshots"
 SNAPSHOT_NAV_TITLE="Bepolia Snapshots"
 SNAPSHOT_DOCS_URL="https://docs.berachain.com"