Mr. Drew's Assignment Creator — Docker share build

Self-contained Dockerized build for end users. Run via docker compose;
see README.md for setup. Source-only, no sample data or build artifacts.

Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>

docker/docker-compose.yml

@@ -0,0 +1,32 @@
+# Mr. Drew's Assignment Creator — run:  docker compose up -d   (from this folder)
+#
+# Works out of the box with Docker Desktop (macOS / Windows):
+# the app reaches Ollama / LM Studio running on YOUR machine via
+# host.docker.internal. On plain Linux, use docker-compose.linux.yml instead.
+services:
+  assignment-creator:
+    build:
+      context: ..
+      dockerfile: docker/Dockerfile
+    ports:
+      - "3000:3000"
+    environment:
+      # Default provider URLs point at the Docker HOST (your machine).
+      # You can always change them later on the app's Settings page.
+      - OLLAMA_BASE_URL=http://host.docker.internal:11434
+      - LMSTUDIO_BASE_URL=http://host.docker.internal:1234
+    extra_hosts:
+      # Makes host.docker.internal resolve on Linux engines too.
+      - "host.docker.internal:host-gateway"
+    volumes:
+      # All assignments + settings live in one JSON file inside this volume.
+      - assignment-data:/app/data
+    restart: unless-stopped
+    healthcheck:
+      test: ["CMD", "wget", "-q", "--spider", "http://localhost:3000/api/settings"]
+      interval: 30s
+      timeout: 5s
+      retries: 3
+
+volumes:
+  assignment-data: