chore: add devcontainer config

.devcontainer/Dockerfile

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+FROM mcr.microsoft.com/devcontainers/javascript-node:1-18-bullseye
+
+# [Optional] Uncomment this section to install additional OS packages.
+RUN apt-get update && export DEBIAN_FRONTEND=noninteractive \
+    && apt-get -y install --no-install-recommends iputils-ping
+
+# [Optional] Uncomment if you want to install an additional version of node using nvm
+ARG EXTRA_NODE_VERSION=18
+RUN su node -c "source /usr/local/share/nvm/nvm.sh && nvm install ${EXTRA_NODE_VERSION}"
+
+# [Optional] Uncomment if you want to install more global node modules
+# RUN su node -c "npm install -g <your-package-list-here>"

.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/docker-existing-docker-compose
+{
+	"name": "Tianji Devcontainer",
+
+	// Update the 'dockerComposeFile' list if you have more compose files or use different names.
+	// The .devcontainer/docker-compose.yml file contains any overrides you need/want to make.
+	"dockerComposeFile": [
+		"docker-compose.yml"
+	],
+
+	// The 'service' property is the name of the service for the container that VS Code should
+	// use. Update this value and .devcontainer/docker-compose.yml to the real service name.
+	"service": "devcontainer",
+
+	// The optional 'workspaceFolder' property is the path VS Code should open by default when
+	// connected. This is typically a file mount in .devcontainer/docker-compose.yml
+	"workspaceFolder": "/workspaces/${localWorkspaceFolderBasename}",
+	"containerEnv": {
+		"DATABASE_URL": "postgresql://tianji:tianji@postgres:5432/tianji",
+		"JWT_SECRET": "tianji-any-string",
+		"ALLOW_REGISTER": "false",
+		"ALLOW_OPENAPI": "true"
+	},
+
+	// Features to add to the dev container. More info: https://containers.dev/features.
+	// "features": {},
+
+	// Use 'forwardPorts' to make a list of ports inside the container available locally.
+	"forwardPorts": [12345],
+
+	// Uncomment the next line if you want start specific services in your Docker Compose config.
+	// "runServices": [],
+
+	// Uncomment the next line if you want to keep your containers running after VS Code shuts down.
+	// "shutdownAction": "none",
+
+	// Uncomment the next line to run commands after the container is created.
+	"postCreateCommand": "pnpm install && pnpm db:migrate:apply",
+
+	// Configure tool-specific properties.
+	"customizations": {
+		"vscode": {
+			"extensions": [
+				"maattdd.gitless",
+				"esbenp.prettier-vscode",
+				"njzy.stats-bar",
+				"bradlc.vscode-tailwindcss",
+				"dbaeumer.vscode-eslint"
+			]
+		}
+	},
+
+	// Uncomment to connect as an existing user other than the container default. More info: https://aka.ms/dev-containers-non-root.
+	// "remoteUser": "devcontainer"
+}

.devcontainer/docker-compose.yml

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+version: '3.5'
+services:
+  # Update this to the name of the service you want to work with in your docker-compose.yml file
+  devcontainer:
+    # Uncomment if you want to override the service's Dockerfile to one in the .devcontainer
+    # folder. Note that the path of the Dockerfile and context is relative to the *primary*
+    # docker-compose.yml file (the first in the devcontainer.json "dockerComposeFile"
+    # array). The sample below assumes your primary file is in the root of your project.
+    #
+    build:
+      context: .
+      dockerfile: ./Dockerfile
+
+    volumes:
+      # Update this to wherever you want VS Code to mount the folder of your project
+      - ..:/workspaces:cached
+
+    # Uncomment the next four lines if you will use a ptrace-based debugger like C++, Go, and Rust.
+    # cap_add:
+    #   - SYS_PTRACE
+    # security_opt:
+    #   - seccomp:unconfined
+
+    # Overrides default command so things don't shut down after the process ends.
+    command: /bin/sh -c "while sleep 1000; do :; done"
+
+  # Database
+  postgres:
+    image: postgres:15.4-alpine
+    environment:
+      POSTGRES_DB: tianji
+      POSTGRES_USER: tianji
+      POSTGRES_PASSWORD: tianji
+    volumes:
+      - tianji-db-data:/var/lib/postgresql/data
+    restart: always
+    healthcheck:
+      test: ["CMD-SHELL", "pg_isready -U $${POSTGRES_USER} -d $${POSTGRES_DB}"]
+      interval: 5s
+      timeout: 5s
+      retries: 5