posthog/duckgres · Archived

ducklake-test

Start duckgres with DuckLake (S3-backed storage with PostgreSQL metadata) for local testing. Use when testing duckgres against DuckLake or reproducing Fivetran sync issues.

First seen May 16, 2026

Installation

$ npx skills add posthog/duckgres --skill ducklake-test

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More details

Agent compatibility

Declared targets from SKILL.md / docs. Unmarked agents are not listed — the skill may still install via the CLI.

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Repository health

Stars 159
License LICENSE
Default branch main
Open issues 5
Status Archived

Package contents

Files included with this skill beyond the listing page.

  • skill md SKILL.md 1,354 B
  • docs SUMMARY.md 193 B

History

  1. First seen on skills.sh
  2. First recorded snapshot · 3 installs

SKILL.md

Start duckgres with DuckLake configuration:

  1. Start dependencies (PostgreSQL metadata store + MinIO object storage):

``bash docker-compose up -d ``

  1. Kill any existing duckgres process:

``bash pkill -f duckgres || true ``

  1. Ensure config file exists at duckgreslocaltest.yaml:

``yaml host: "0.0.0.0" port: 35437 datadir: "./data" users: postgres: "postgres" extensions: - ducklake ducklake: metadatastore: "postgres:host=localhost port=5433 user=ducklake password=ducklake dbname=ducklake" objectstore: "s3://ducklake/data/" s3provider: "config" s3endpoint: "localhost:9000" s3accesskey: "minioadmin" s3secretkey: "minioadmin" s3region: "us-east-1" s3usessl: false s3urlstyle: "path" ``

  1. Build and run duckgres:

``bash go build -o duckgres . && ./duckgres --config duckgreslocaltest.yaml ``

  1. Connect with psql (in another terminal):

``bash PGPASSWORD=postgres psql "host=127.0.0.1 port=35437 user=postgres sslmode=require" ``

To cleanup: pkill -f duckgres && docker-compose down