Add devcontainer and docker-compose configuration files; update .gitignore

.devcontainer/docker-compose.yml

@@ -0,0 +1,25 @@
+# version: '3.8'
+services:
+  dev:
+    image: mcr.microsoft.com/devcontainers/typescript-node:4-24-trixie
+    command: ["sleep", "infinity"]
+    # mount the repository root into the container workspace
+    volumes:
+      - ..:/workspace:cached
+    ports:
+      - '3000:3000'
+    depends_on:
+      - redis
+    environment:
+      - REDIS_HOST=redis
+      - REDIS_PORT=6379
+
+  redis:
+    image: redis:7-alpine
+    ports:
+      - '6379:6379'
+    volumes:
+      - redis-data:/data
+
+volumes:
+  redis-data: