Add Versity S3 Gateway documentation to README.md, detailing configuration requirements and usage for shared object storage. This addition enhances clarity for users integrating S3-compatible APIs with POSIX directories.

README.md

@@ -180,6 +180,12 @@ Shared services used across multiple applications.
 
 **Configuration:** Requires Pangolin endpoint URL, Newt ID, and Newt secret.
 
+### versitygw/ (`komodo/common/versitygw/`)
+
+- **[Versity S3 Gateway](https://github.com/versity/versitygw)** (Port: 10000 by default) - S3-compatible API over a POSIX directory (named Docker volumes). Use as shared object storage for apps that expect S3; pair with clients using path-style URLs and your LAN hostname or reverse proxy.
+
+**Configuration:** Requires `ROOT_ACCESS_KEY` and `ROOT_SECRET_KEY` for the bundled IAM directory mode. Optional `VERSITYGW_PORT` for the published host port.
+
 ---
 
 ## 📊 Monitoring (`komodo/monitor/`)

komodo/s3/versitygw/.env.sample

@@ -0,0 +1,9 @@
+# Versity S3 Gateway — root credentials for the flat-file IAM backend.
+# Copy to `.env` and set strong values before `docker compose up -d`.
+# https://github.com/versity/versitygw/wiki/Quickstart
+
+ROOT_ACCESS_KEY=
+ROOT_SECRET_KEY=
+
+# Host port mapped to the gateway (container listens on 10000).
+VERSITYGW_PORT=10000

komodo/s3/versitygw/compose.yaml

@@ -0,0 +1,44 @@
+# Versity S3 Gateway — POSIX backend over Docker volumes.
+# https://github.com/versity/versitygw
+services:
+  versitygw:
+    image: versity/versitygw:v1.3.1
+    container_name: versitygw
+    restart: unless-stopped
+    environment:
+      - ROOT_ACCESS_KEY=${ROOT_ACCESS_KEY}
+      - ROOT_SECRET_KEY=${ROOT_SECRET_KEY}
+      # Matches Helm chart default; enables `/_/health` for probes.
+      - VGW_HEALTH=/_/health
+    ports:
+      - "${VERSITYGW_PORT:-10000}:10000"
+    volumes:
+      - s3_data:/data/s3
+      - iam:/data/iam
+      - versions:/data/versions
+    command:
+      - "--port"
+      - ":10000"
+      - "--iam-dir"
+      - "/data/iam"
+      - "posix"
+      - "--versioning-dir"
+      - "/data/versions"
+      - "/data/s3"
+    healthcheck:
+      test:
+        [
+          "CMD",
+          "wget",
+          "-qO-",
+          "http://127.0.0.1:10000/_/health",
+        ]
+      interval: 30s
+      timeout: 5s
+      retries: 3
+      start_period: 10s
+
+volumes:
+  s3_data:
+  iam:
+  versions: