[fix:10.12]修改为新的组织colovu
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# 简介
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基于的Ubuntu系统的PostgreSQL Docker镜像。
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基于的Ubuntu系统的 PostgreSQL Docker镜像。
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**版本信息:**
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## 基本信息
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**镜像信息:**
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* 镜像地址:endial/postgres:10
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* 依赖镜像:endial/ubuntu:18.04
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* 镜像地址:colovu/postgres:latest
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* 依赖镜像:colovu/ubuntu:latest
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@@ -29,7 +31,7 @@
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#### 通过默认方式启动
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```shell
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$ docker run --name some-postgres -e POSTGRES_PASSWORD=mysecretpassword -d endial/postgres:10
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$ docker run --name some-postgres -e POSTGRES_PASSWORD=mysecretpassword -d colovu/postgres:latest
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```
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- 由容器执行默认的`entrypoint.sh`脚本,并生成默认的用户及数据文件
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@@ -41,7 +43,7 @@ $ docker run --name some-postgres -e POSTGRES_PASSWORD=mysecretpassword -d endia
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#### 通过`psql`命令方式启动
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```shell
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$ docker run -it --rm --network some-network endial/postgres:10 psql -h some-postgres -U postgres
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$ docker run -it --rm --network some-network colovu/postgres:latest psql -h some-postgres -U postgres
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psql (10.12.0)
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Type "help" for help.
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@@ -66,7 +68,7 @@ version: '3.1'
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services:
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db:
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image: endial/postgres:10
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image: colovu/postgres:latest
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restart: always
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environment:
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POSTGRES_PASSWORD: example
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@@ -75,8 +77,7 @@ services:
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image: adminer
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restart: always
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ports:
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- 8080:8080
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- 8080:8080
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```
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@@ -153,7 +154,7 @@ $ docker run -d \
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-e POSTGRES_PASSWORD=mysecretpassword \
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-e PGDATA=/var/lib/postgresql/data/pgdata \
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-v /custom/mount:/var/lib/postgresql/data \
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endial/postgres:10
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colovu/postgres:latest
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```
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该变量并不是为Docker定义的数据卷,而是由`postgres`服务本身使用(参考 [PostgreSQL docs](https://www.postgresql.org/docs/11/app-postgres.html#id-1.9.5.14.7)),entrypoing.sh脚本只是传输该值。
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@@ -165,7 +166,7 @@ $ docker run -d \
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作为敏感信息通过环境变量传输的可选替代方案,可以增加`_FILE`在部分环境变量末尾,以使容器的初始化脚本通过加载文件的方式,获取相关变量。例如,可以通过加载文件的方式加载密码:
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```shell
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$ docker run --name some-postgres -e POSTGRES_PASSWORD_FILE=/run/secrets/postgres-passwd -d endial/postgres:10
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$ docker run --name some-postgres -e POSTGRES_PASSWORD_FILE=/run/secrets/postgres-passwd -d colovu/postgres:latest
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```
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支持该方式的变量为: `POSTGRES_INITDB_ARGS`, `POSTGRES_PASSWORD`, `POSTGRES_USER`, `POSTGRES_DB`。
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@@ -190,19 +191,19 @@ $ docker run --name some-postgres -e POSTGRES_PASSWORD_FILE=/run/secrets/postgre
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```shell
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$ # 获取配置文件模板,存储为当前目录的my-postgres.conf
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$ docker run -i --rm endial/postgres:10 cat /usr/share/postgresql/postgresql.conf.sample > my-postgres.conf
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$ docker run -i --rm colovu/postgres:latest cat /usr/share/postgresql/postgresql.conf.sample > my-postgres.conf
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$ # 个性化修改配置信息,至少增加`listen_addresses='*'`以确保其他容器可以访问
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$ echo "listen_addresses='*'" >> my-postgres.conf
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$ # 使用定制后的配置文件启动容器
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$ docker run -d --name some-postgres -v "$PWD/my-postgres.conf":/etc/postgresql/postgresql.conf -e POSTGRES_PASSWORD=mysecretpassword endial/postgres:10 -c 'config_file=/etc/postgresql/postgresql.conf'
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$ docker run -d --name some-postgres -v "$PWD/my-postgres.conf":/etc/postgresql/postgresql.conf -e POSTGRES_PASSWORD=mysecretpassword colovu/postgres:latest -c 'config_file=/etc/postgresql/postgresql.conf'
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```
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- 在命令行中设置相应参数。entrypoint.sh基本会将所有的启动时传递给Docker的配置参数传递给postgres服务进程。从官方 [docs](https://www.postgresql.org/docs/current/static/app-postgres.html)文档可以看出,所有在 `.conf`文件中的配置项都可以使用`-c`进行设置。
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```shell
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$ docker run -d --name some-postgres -e POSTGRES_PASSWORD=mysecretpassword endial/postgres:10 -c 'shared_buffers=256MB' -c 'max_connections=200'
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$ docker run -d --name some-postgres -e POSTGRES_PASSWORD=mysecretpassword colovu/postgres:latest -c 'shared_buffers=256MB' -c 'max_connections=200'
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```
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> 注意:配置文件至少修改`listen_addresses='*'`以确保其他容器可以访问
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@@ -217,10 +218,10 @@ $ docker run --name some-postgres -e POSTGRES_PASSWORD_FILE=/run/secrets/postgre
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导出模板文件:
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```shell
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docker run -i --rm endial/postgres:10 cat /usr/share/postgresql/postgresql.conf.sample > my-postgres.conf
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docker run -i --rm colovu/postgres:latest cat /usr/share/postgresql/postgresql.conf.sample > my-postgres.conf
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```
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- 使用的镜像:endial/postgres-ubuntu:v10.12
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- 使用的镜像:colovu/postgres-ubuntu:v10.12
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- 原始文件:/usr/share/postgresql/postgresql.conf.sample
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- 导出后文件:my-postgres.conf
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@@ -231,7 +232,7 @@ docker run -i --rm endial/postgres:10 cat /usr/share/postgresql/postgresql.conf.
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PostgreSQL镜像使用的Ubuntu基础镜像默认的Locale配置为`en_US.UTF-8`,可以使用一个简单的 Dockerfile来设置为不同的Locale。比如设置为 `de_DE.utf8`:
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```dockerfile
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FROM endial/postgres:10
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FROM colovu/postgres:latest
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RUN localedef -i de_DE -c -f UTF-8 -A /usr/share/locale/locale.alias de_DE.UTF-8
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ENV LANG de_DE.utf8
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```
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@@ -253,11 +254,11 @@ ENV LANG de_DE.utf8
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本镜像允许使用变参`--user`指定运行时的用户信息。但需要注意的是,`postgres`可以允许使用任何UID执行(只需要与数据库目录所属账户一致),`initdb`需要确保该UID实际存在(指定的用户需要在容器的`/etc/passwd`文件中存在):
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```shell
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$ docker run -it --rm --user www-data -e POSTGRES_PASSWORD=mysecretpassword endial/postgres:10
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$ docker run -it --rm --user www-data -e POSTGRES_PASSWORD=mysecretpassword colovu/postgres:latest
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The files belonging to this database system will be owned by user "www-data".
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...
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$ docker run -it --rm --user 1000:1000 -e POSTGRES_PASSWORD=mysecretpassword endial/postgres:10
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$ docker run -it --rm --user 1000:1000 -e POSTGRES_PASSWORD=mysecretpassword colovu/postgres:latest
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initdb: could not look up effective user ID 1000: user does not exist
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```
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@@ -268,7 +269,7 @@ initdb: could not look up effective user ID 1000: user does not exist
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2. 如果宿主系统存在相应的用户,可以使用只读绑定将`/etc/passwd`文件映射为容器内对应文件:
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```shell
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$ docker run -it --rm --user "$(id -u):$(id -g)" -v /etc/passwd:/etc/passwd:ro -e POSTGRES_PASSWORD=mysecretpassword endial/postgres:10
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$ docker run -it --rm --user "$(id -u):$(id -g)" -v /etc/passwd:/etc/passwd:ro -e POSTGRES_PASSWORD=mysecretpassword colovu/postgres:latest
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The files belonging to this database system will be owned by user "jsmith".
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...
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```
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@@ -277,14 +278,14 @@ initdb: could not look up effective user ID 1000: user does not exist
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```shell
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$ docker volume create pgdata
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$ docker run -it --rm -v pgdata:/var/lib/postgresql/data -e POSTGRES_PASSWORD=mysecretpassword endial/postgres:10
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$ docker run -it --rm -v pgdata:/var/lib/postgresql/data -e POSTGRES_PASSWORD=mysecretpassword colovu/postgres:latest
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The files belonging to this database system will be owned by user "postgres".
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...
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( once it's finished initializing successfully and is waiting for connections, stop it )
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$ docker run -it --rm -v pgdata:/var/lib/postgresql/data endial/postgres:10 bash chown -R 1000:1000 /var/lib/postgresql/data
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$ docker run -it --rm -v pgdata:/var/lib/postgresql/data colovu/postgres:latest bash chown -R 1000:1000 /var/lib/postgresql/data
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$ docker run -it --rm --user 1000:1000 -v pgdata:/var/lib/postgresql/data endial/postgres:10
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$ docker run -it --rm --user 1000:1000 -v pgdata:/var/lib/postgresql/data colovu/postgres:latest
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LOG: database system was shut down at 2017-01-20 00:03:23 UTC
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LOG: MultiXact member wraparound protections are now enabled
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LOG: autovacuum launcher started
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@@ -331,5 +332,5 @@ initdb: could not look up effective user ID 1000: user does not exist
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----
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本文原始来源 [Endial Fang](https://github.com/endial) @ [Github.com](https://github.com)
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本文原始来源 [Endial Fang](https://github.com/colovu) @ [Github.com](https://github.com)
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