add docker compose.yml, env example and gitignore file

.env.example

@@ -0,0 +1,5 @@
+# OpenCode 服务环境变量模板
+# 复制本文件为 .env 并填入真实值；.env 不要提交到仓库。
+
+# Web 服务登录密码。生产环境必须改为强密码并通过 secret manager 注入。
+OPENCODE_SERVER_PASSWORD=change-me

.gitignore

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+# Environment / secrets — never commit real env files
+.env
+.env.local
+.env.*.local
+
+# Python
+__pycache__/
+*.py[cod]
+*$py.class
+*.so
+.Python
+.venv/
+venv/
+ENV/
+
+# Editor / IDE
+.vscode/
+.idea/
+*.swp
+*.swo
+
+# OS
+.DS_Store
+Thumbs.db
+
+# Logs
+*.log
+logs/

docker-compose.yml

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+services:
+  opencode:
+    container_name: opencode
+    build: .
+    image: opencode:latest
+    ports:
+      - "14096:4096"
+    environment:
+      # Set OPENCODE_SERVER_PASSWORD in .env or your shell environment before `docker compose up`.
+      OPENCODE_SERVER_PASSWORD: ${OPENCODE_SERVER_PASSWORD}
+    volumes:
+      - /root/.config/opencode:/root/.config/opencode
+      - /root/.local/share/opencode:/root/.local/share/opencode
+      - /root/OpenCode:/root/workspace
+    command:
+      - web
+      - --hostname
+      - 0.0.0.0
+      - --mdns
+      - --port
+      - "4096"
+      - --print-logs
+      - --log-level
+      - DEBUG
+    tty: true
+    stdin_open: true
+    restart: unless-stopped