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Start duckgres with DuckLake (S3-backed storage with PostgreSQL metadata) for local testing. Use when testing duckgres against DuckLake or reproducing Fivetran sync issues.
默认使用会先检查来源的 Prompt；你也可以切换为直接命令，或下载本地副本。
决定是否安装前，请先阅读 SKILL.md，以及 SkillsMP 当前展示的配套文件。
用 Codex 或 Claude 帮你安装 复制这段 Prompt，粘贴到 Codex、Claude 或其他助手里，让它检查 Skill 页面并帮你完成安装。
直接命令不会经过审查 Prompt；运行前请先检查来源。
npx skills add https://github.com/PostHog/duckgres --skill ducklake-test命令会保持在同一行。复制前请横向滚动并检查完整内容。
想先保存到本地？可下载 SkillsMP 当前能够提供的文件。
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| name | ducklake-test |
| description | Start duckgres with DuckLake (S3-backed storage with PostgreSQL metadata) for local testing. Use when testing duckgres against DuckLake or reproducing Fivetran sync issues. |
Start duckgres with DuckLake configuration:
Start dependencies (PostgreSQL metadata store + MinIO object storage):
docker-compose up -d
Kill any existing duckgres process:
pkill -f duckgres || true
Ensure config file exists at duckgres_local_test.yaml:
host: "0.0.0.0"
port: 35437
data_dir: "./data"
users:
postgres: "postgres"
extensions:
- ducklake
ducklake:
metadata_store: "postgres:host=localhost port=5433 user=ducklake password=ducklake dbname=ducklake"
object_store: "s3://ducklake/data/"
s3_provider: "config"
s3_endpoint: "localhost:9000"
s3_access_key: "minioadmin"
s3_secret_key: "minioadmin"
s3_region: "us-east-1"
s3_use_ssl: false
s3_url_style: "path"
Build and run duckgres:
go build -o duckgres . && ./duckgres --config duckgres_local_test.yaml
Connect with psql (in another terminal):
PGPASSWORD=postgres psql "host=127.0.0.1 port=35437 user=postgres sslmode=require"
To cleanup: pkill -f duckgres && docker-compose down