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

.devcontainer/devcontainer.json

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+// For format details, see https://aka.ms/devcontainer.json. For config options, see the
+// README at: https://github.com/devcontainers/templates/tree/main/src/typescript-node
+{
+  "name": "Node.js & TypeScript",
+  // Use Docker Compose to define the dev container and Redis service
+  "dockerComposeFile": ["docker-compose.yml"],
+  "service": "dev",
+  "workspaceFolder": "/workspace",
+  "features": {
+    "ghcr.io/guiyomh/features/just:0": {
+      "version": "latest"
+    },
+    "ghcr.io/devcontainers-extra/features/act-asdf:2": {
+      "version": "latest"
+    },
+    "ghcr.io/devcontainers-extra/features/redis-homebrew": {
+      "version": "latest"
+    }
+  },
+  "customizations": {
+    "vscode": {
+      "extensions": ["esbenp.prettier-vscode"]
+    }
+  },
+  "forwardPorts": [6379]
+
+  // Use 'postCreateCommand' to run commands after the container is created.
+  // "postCreateCommand": "yarn install",
+
+  // Uncomment to connect as root instead. More info: https://aka.ms/dev-containers-non-root.
+  // "remoteUser": "root"
+}

.devcontainer/docker-compose.yml

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+# 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: