![Kong]( "Kong")
I'm trying to learn how to use Kong for my API server, but met the error:kong_1 | nginx: [error] init_by_lua error: /usr/local/share/lua/5.1/kong/init.lua:388: [PostgreSQL error] failed to retrieve PostgreSQL server_version_num: host or service not provided, or not known我的docker-compose.yaml如下:My docker-compose.yaml as below:version: "3"networks: kong-net: driver: bridgeservices: # Create a service named db. kong-postgres: # Use the Docker Image postgres. This will pull the newest release. image: "postgres" # Give the container a name. You can changes to something else. container_name: "kong-postgres" # Setup the username, password, and database name. You can changes these values. environment: - POSTGRES_USER=kong - POSTGRES_PASSWORD=kong - POSTGRES_DB=kong # Maps port 54320 (localhost) to port 5432 on the container. You can change the ports to fix your needs. ports: - "5432:5432" restart: on-failure # Set a volume some that database is not lost after shutting down the container. # I used the name postgres-data but you can changed it to something else. volumes: - ./postgres-data:/var/lib/postgresql/data kong: image: "kong:latest" command: "kong migrations bootstrap" depends_on: - kong-postgres environment: KONG_ADMIN_LISTEN: '0.0.0.0:8001,0.0.0.0:8444 ssl' KONG_DATABASE: postgres KONG_PG_HOST: kong-postgres KONG_PG_DATABASE: kong KONG_PG_PASSWORD: kong KONG_PG_USER: kong networks: - kong-net ports: - "8000:8000/tcp" - "8001:8001/tcp" - "8443:8443/tcp" - "8444:8444/tcp" healthcheck: test: ["CMD", "kong", "health"] interval: 10s timeout: 10s retries: 10 restart: on-failure还尝试通过2个步骤运行它:Also tried running it by 2 steps: docker-commit up kong-postgres ，没关系: $ docker-compose up kong-postgres Starting kong-postgres ... done Attaching to kong-postgres kong-postgres | kong-postgres | PostgreSQL Database directory appears to contain a database; Skipping initialization kong-postgres | kong-postgres | 2019-11-20 08:22:37.057 UTC [1] LOG: starting PostgreSQL 12.1 (Debian 12.1-1.pgdg100+1) on x86_64-pc-linux-gnu, compiled by gcc (Debian 8.3.0-6) 8.3.0, 64-bit kong-postgres | 2019-11-20 08:22:37.057 UTC [1] LOG: listening on IPv4 address "0.0.0.0", port 5432 kong-postgres | 2019-11-20 08:22:37.057 UTC [1] LOG: listening on IPv6 address "::", port 5432 kong-postgres | 2019-11-20 08:22:37.060 UTC [1] LOG: listening on Unix socket "/var/run/postgresql/.s.PGSQL.5432" kong-postgres | 2019-11-20 08:22:37.128 UTC [25] LOG: database system was shut down at 2019-11-20 08:08:28 UTC kong-postgres | 2019-11-20 08:22:37.176 UTC [1] LOG: database system is ready to accept connections数据库可以通过 psql -h localhost -p 5432 -U kong -d kong 连接:$ psql -h localhost -p 5432 -U kong -d kongPassword for user kong:psql (11.5, server 12.1 (Debian 12.1-1.pgdg100+1))WARNING: psql major version 11, server major version 12. Some psql features might not work.Type "help" for help.kong=# \q docker-compose up kong 失败: $ docker-compose up kong kong-postgres is up-to-date Recreating kong_kong_1 ... done Attaching to kong_kong_1 kong_1 | Error: [PostgreSQL error] failed to retrieve PostgreSQL server_version_num: host or service not provided, or not known kong_1 | kong_1 | Run with --v (verbose) or --vv (debug) for more details ps:官方Docker Compose模板也失败了:kong-migrations-up_1 | Error: Cannot run migrations: database needs bootstrapping; run 'kong migrations bootstrap'kong-migrations-up_1 |kong-migrations-up_1 | Run with --v (verbose) or --vv (debug) for more details推荐答案version: "3.7"volumes: kong_data: {}networks: kong-net:services: ####################################### # Postgres: The database used by Kong ####################################### kong-database: image: postgres:9.6 container_name: kong-postgres restart: on-failure networks: - kong-net volumes: - kong_data:/var/lib/postgresql/data environment: POSTGRES_USER: kong POSTGRES_PASSWORD: ${KONG_PG_PASSWORD:-kong} POSTGRES_DB: kong ports: - "5432:5432" healthcheck: test: ["CMD", "pg_isready", "-U", "kong"] interval: 30s timeout: 30s retries: 3 ####################################### # Kong database migration ####################################### kong-migration: image: ${KONG_DOCKER_TAG:-kong:latest} command: kong migrations bootstrap networks: - kong-net restart: on-failure environment: KONG_DATABASE: postgres KONG_PG_HOST: kong-database KONG_PG_DATABASE: kong KONG_PG_USER: kong KONG_PG_PASSWORD: ${KONG_PG_PASSWORD:-kong} depends_on: - kong-database ####################################### # Kong: The API Gateway ####################################### kong: image: ${KONG_DOCKER_TAG:-kong:latest} restart: on-failure networks: - kong-net environment: KONG_DATABASE: postgres KONG_PG_HOST: kong-database KONG_PG_DATABASE: kong KONG_PG_USER: kong KONG_PG_PASSWORD: ${KONG_PG_PASSWORD:-kong} KONG_PROXY_LISTEN: 0.0.0.0:8000 KONG_PROXY_LISTEN_SSL: 0.0.0.0:8443 KONG_ADMIN_LISTEN: 0.0.0.0:8001 depends_on: - kong-database healthcheck: test: ["CMD", "kong", "health"] interval: 10s timeout: 10s retries: 10 ports: - "8000:8000" - "8001:8001" - "8443:8443" - "8444:8444" ####################################### # Konga database prepare ####################################### konga-prepare: image: pantsel/konga:latest command: "-c prepare -a postgres -u postgresql://kong:${KONG_PG_PASSWORD:-kong}@kong-database:5432/konga" networks: - kong-net restart: on-failure depends_on: - kong-database ####################################### # Konga: Kong GUI ####################################### konga: image: pantsel/konga:latest restart: always networks: - kong-net environment: DB_ADAPTER: postgres DB_URI: postgresql://kong:${KONG_PG_PASSWORD:-kong}@kong-database:5432/konga NODE_ENV: production depends_on: - kong-database ports: - "1337:1337" 这篇关于Kong:docker-compose [PostgreSQL错误]无法检索PostgreSQL server_version_num:未提供或未知的主机或服务的文章就介绍到这了，希望我们推荐的答案对大家有所帮助，也希望大家多多支持！ 上岸，阿里云！ 07-15 09:59