単一のマシンで複数のPrismaデータベースサービスを作成しようとしています。 Docker Composeを使用して、3306以外のポートでMySQLデータベースを作成できませんでした。
docker-compose.yml
version: '3'
services:
hackernews:
image: prismagraphql/prisma:1.8
restart: always
ports:
- "${CLIENT_PORT}:${INTERNAL_PORT}"
environment:
PRISMA_CONFIG: |
port: $INTERNAL_PORT
managementApiSecret: $PRISMA_MANAGEMENT_API_SECRET
databases:
default:
connector: mysql
Host: mysql
port: $SQL_INTERNAL_PORT
user: root
password: $SQL_PASSWORD
migrations: true
mysql:
image: mysql:5.7
restart: always
environment:
MYSQL_ROOT_PASSWORD: $SQL_PASSWORD
volumes:
- ./custom/:/etc/mysql/conf.d/my.cnf
- mysql:/var/lib/mysql
volumes:
mysql:
docker-compose.override.yml
version: '3'
services:
mysql:
expose:
- "${SQL_INTERNAL_PORT}"
ports:
- "${SQL_CLIENT_PORT}:${SQL_INTERNAL_PORT}"
エラー:
hackernews_1 | Exception in thread "main" Java.sql.SQLTransientConnectionException: database - Connection is not available, request timed out after 5008ms.
hackernews_1 | at com.zaxxer.hikari.pool.HikariPool.createTimeoutException(HikariPool.Java:548)
hackernews_1 | at com.zaxxer.hikari.pool.HikariPool.getConnection(HikariPool.Java:186)
hackernews_1 | at com.zaxxer.hikari.pool.HikariPool.getConnection(HikariPool.Java:145)
hackernews_1 | at com.zaxxer.hikari.HikariDataSource.getConnection(HikariDataSource.Java:83)
hackernews_1 | at slick.jdbc.hikaricp.HikariCPJdbcDataSource.createConnection(HikariCPJdbcDataSource.scala:18)
hackernews_1 | at slick.jdbc.JdbcBackend$BaseSession.<init>(JdbcBackend.scala:439)
hackernews_1 | at slick.jdbc.JdbcBackend$DatabaseDef.createSession(JdbcBackend.scala:47)
hackernews_1 | at slick.jdbc.JdbcBackend$DatabaseDef.createSession(JdbcBackend.scala:38)
hackernews_1 | at slick.basic.BasicBackend$DatabaseDef.acquireSession(BasicBackend.scala:218)
hackernews_1 | at slick.basic.BasicBackend$DatabaseDef.acquireSession$(BasicBackend.scala:217)
hackernews_1 | at slick.jdbc.JdbcBackend$DatabaseDef.acquireSession(JdbcBackend.scala:38)
hackernews_1 | at slick.basic.BasicBackend$DatabaseDef$$anon$2.run(BasicBackend.scala:239)
hackernews_1 | at Java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.Java:1149)
hackernews_1 | at Java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.Java:624)
hackernews_1 | at Java.lang.Thread.run(Thread.Java:748)
hackernews_1 | Caused by: Java.sql.SQLNonTransientConnectionException: Could not connect to address=(Host=mysql)(port=3307)(type=master) : Connection refused (Connection refused)
hackernews_1 | at org.mariadb.jdbc.internal.util.exceptions.ExceptionMapper.get(ExceptionMapper.Java:161)
hackernews_1 | at org.mariadb.jdbc.internal.util.exceptions.ExceptionMapper.connException(ExceptionMapper.Java:79)
hackernews_1 | at org.mariadb.jdbc.internal.protocol.AbstractConnectProtocol.connectWithoutProxy(AbstractConnectProtocol.Java:1040)
hackernews_1 | at org.mariadb.jdbc.internal.util.Utils.retrieveProxy(Utils.Java:490)
hackernews_1 | at org.mariadb.jdbc.MariaDbConnection.newConnection(MariaDbConnection.Java:144)
hackernews_1 | at org.mariadb.jdbc.Driver.connect(Driver.Java:90)
hackernews_1 | at slick.jdbc.DriverDataSource.getConnection(DriverDataSource.scala:101)
hackernews_1 | at com.zaxxer.hikari.pool.PoolBase.newConnection(PoolBase.Java:341)
hackernews_1 | at com.zaxxer.hikari.pool.PoolBase.newPoolEntry(PoolBase.Java:193)
hackernews_1 | at com.zaxxer.hikari.pool.HikariPool.createPoolEntry(HikariPool.Java:430)
hackernews_1 | at com.zaxxer.hikari.pool.HikariPool.access$500(HikariPool.Java:64)
hackernews_1 | at com.zaxxer.hikari.pool.HikariPool$PoolEntryCreator.call(HikariPool.Java:570)
hackernews_1 | at com.zaxxer.hikari.pool.HikariPool$PoolEntryCreator.call(HikariPool.Java:563)
hackernews_1 | at Java.util.concurrent.FutureTask.run(FutureTask.Java:266)
ドッカーps
CONTAINER ID IMAGE COMMAND CREATED STATUS PORTS NAMES
ab721996469d mysql:5.7 "docker-entrypoint.s…" 42 minutes ago Up 55 seconds 3306/tcp, 0.0.0.0:3307->3307/tcp two_mysql_1
7aab98e2b8d7 prismagraphql/prisma:1.8 "/bin/sh -c /app/sta…" 2 hours ago Restarting (1) Less than a second ago two_hackernews_1
.env
SQL_PASSWORD=myuniquepassword
SQL_INTERNAL_PORT=3307
SQL_CLIENT_PORT=3307
変数SQL_INTERNAL_PORT
はおそらく3307
値を持っています。 3306
に変更する必要があります。
また、削除することができます
expose:
- "${SQL_INTERNAL_PORT}"
行。 Mysqlはすでに3306ポートを公開しています。
クラスターへのすべてのアプリケーションは、内部ポート(mysqlの場合は3306)を使用します。外部のWord通信にのみ必要な外部ポート(セクションポート内)。
複数のデータベースが必要な場合は、docker-composeを次のように変更する必要があります。
version: '3'
services:
hackernews:
image: prismagraphql/prisma:1.8
restart: always
ports:
- "${CLIENT_PORT}:${INTERNAL_PORT}"
environment:
PRISMA_CONFIG: |
port: $INTERNAL_PORT
managementApiSecret: $PRISMA_MANAGEMENT_API_SECRET
databases:
default:
connector: mysql
Host: mysql_first
port: 3306
user: root
password: $SQL_PASSWORD
migrations: true
second:
connector: mysql
Host: mysql_second
port: 3306
user: root
password: $SQL_PASSWORD
migrations: true
mysql_first:
image: mysql:5.7
restart: always
environment:
MYSQL_ROOT_PASSWORD: $SQL_PASSWORD
ports:
- 3307:3306
volumes:
- ./custom/:/etc/mysql/conf.d/my.cnf
- mysql:/var/lib/mysql
mysql_second:
image: mysql:5.7
restart: always
environment:
ports:
- 3308:3306
MYSQL_ROOT_PASSWORD: $SQL_PASSWORD