From 1c5e0455915bc1f7847d8f9f40cd1ed49bbe5550 Mon Sep 17 00:00:00 2001
From: Garrett Mills <shout@garrettmills.dev>
Date: Fri, 16 Oct 2026 20:12:11 -0500
Subject: [PATCH] Update docker tag

---
 README.md                    | 11 +++++++----
 scripts/sync-server-image.sh | 20 ++++++++------------
 2 files changed, 15 insertions(+), 16 deletions(-)

diff --git a/README.md b/README.md
index 96f66b1..473b1c8 100644
--- a/README.md
+++ b/README.md
@@ -300,15 +300,18 @@ A few volume types ignore `fsGroup` (`hostPath`, and some NFS and local-path
 provisioners). For those, `chown 10001:10001` the backing directory once, or
 add an init container that does it.
 
-To build the image yourself and push it to your own registry:
+To build the image and push it to Docker Hub
+([`glmdev/mtgc`](https://hub.docker.com/r/glmdev/mtgc)):
 
 ```bash
-DOCKER_REGISTRY=registry.example.com npm run sync-server:build   # → registry.example.com/mtgc/sync-server:latest
-DOCKER_REGISTRY=registry.example.com npm run sync-server:push
+npm run sync-server:build   # → docker.io/glmdev/mtgc:latest
+npm run sync-server:push    # after `docker login docker.io`
 ```
 
 Both call `scripts/sync-server-image.sh`. `IMAGE_TAG` overrides the `latest`
-tag, and `CONTAINER_ENGINE=podman` picks podman when docker is also installed.
+tag, `IMAGE_REPO` points it at another repository (e.g.
+`IMAGE_REPO=registry.example.com/mtgc`), and `CONTAINER_ENGINE=podman` picks
+podman when docker is also installed.
 
 Configuration is all environment variables:
 
diff --git a/scripts/sync-server-image.sh b/scripts/sync-server-image.sh
index 1e25ac6..bcf69b7 100755
--- a/scripts/sync-server-image.sh
+++ b/scripts/sync-server-image.sh
@@ -2,26 +2,27 @@
 #
 # sync-server-image.sh — build or push the mtgc sync server's container image.
 #
-# The image is tagged ${DOCKER_REGISTRY}/mtgc/sync-server:${IMAGE_TAG}.
+# The image is tagged ${IMAGE_REPO}:${IMAGE_TAG}, by default the Docker Hub
+# repository docker.io/glmdev/mtgc:latest.
 #
 # Usage:
-#   DOCKER_REGISTRY=registry.example.com ./scripts/sync-server-image.sh build
-#   DOCKER_REGISTRY=registry.example.com ./scripts/sync-server-image.sh push
+#   ./scripts/sync-server-image.sh build
+#   ./scripts/sync-server-image.sh push
 #
 # Or through npm: `npm run sync-server:build` / `npm run sync-server:push`.
 #
 # Environment:
-#   DOCKER_REGISTRY   (required) registry host, optionally with a namespace path
+#   IMAGE_REPO        repository to tag/push (default: docker.io/glmdev/mtgc)
 #   IMAGE_TAG         tag to build/push (default: latest)
 #   CONTAINER_ENGINE  docker or podman (default: docker if installed, else podman)
 #
 # `push` pushes what `build` produced; it doesn't rebuild. Log in to the
-# registry first (`docker login "$DOCKER_REGISTRY"`).
+# registry first (`docker login docker.io`).
 #
 set -euo pipefail
 
 usage() {
-    sed -n '3,20p' "$0" | sed 's/^# \{0,1\}//'
+    sed -n '3,21p' "$0" | sed 's/^# \{0,1\}//'
     exit "${1:-0}"
 }
 
@@ -32,11 +33,6 @@ case "$1" in
     *) usage 1 ;;
 esac
 
-if [ -z "${DOCKER_REGISTRY:-}" ]; then
-    echo "sync-server-image: set DOCKER_REGISTRY (e.g. registry.example.com)" >&2
-    exit 1
-fi
-
 engine="${CONTAINER_ENGINE:-}"
 if [ -z "$engine" ]; then
     if command -v docker >/dev/null 2>&1; then
@@ -49,7 +45,7 @@ if [ -z "$engine" ]; then
     fi
 fi
 
-image="${DOCKER_REGISTRY%/}/mtgc/sync-server:${IMAGE_TAG:-latest}"
+image="${IMAGE_REPO:-docker.io/glmdev/mtgc}:${IMAGE_TAG:-latest}"
 
 # The Dockerfile builds from the workspace root, so run from there whatever
 # directory this was invoked in.