{"id":41576,"date":"2023-11-15T08:18:05","date_gmt":"2022-12-06T07:38:12","guid":{"rendered":"https:\/\/www.silicloud.com\/zh\/blog\/docker%e4%b8%ad%e7%9a%84-postgresql%e7%ac%94%e8%ae%b0%e3%80%82\/"},"modified":"2024-05-04T09:09:43","modified_gmt":"2024-05-04T01:09:43","slug":"docker%e4%b8%ad%e7%9a%84-postgresql%e7%ac%94%e8%ae%b0%e3%80%82","status":"publish","type":"post","link":"https:\/\/www.silicloud.com\/zh\/blog\/docker%e4%b8%ad%e7%9a%84-postgresql%e7%ac%94%e8%ae%b0%e3%80%82\/","title":{"rendered":"Docker\u4e2d\u7684 PostgreSQL\u7b14\u8bb0"},"content":{"rendered":"<h2>\u4f7f\u7528Docker\u521b\u5efaPostgreSQL\uff0c\u5e76\u4f7f\u7528Python3\u7684pandas\u5e93\u8fdb\u884c\u64cd\u4f5c\u3002<\/h2>\n<p>\u73af\u5883\uff1a<br \/>\n\u5728macOS Catalina 10.15.6\u4e0a\u8fdb\u884c\u786e\u8ba4\uff0c\u8fdb\u884c\u6587\u7ae0\u91cd\u5199\u3002<br \/>\nDocker\u7248\u672c19.03.8\uff0c\u6784\u5efa\u7248\u672cafacb8b\u3002<br \/>\n\u5728macOS\u4e0a\uff0c\u4f7f\u7528\u7684\u662fzsh\u4f5c\u4e3ashell\uff0c\u4f46\u4e3b\u673a\u7aef\u7684\u63d0\u793a\u7b26\u5199\u4f5c\u201c\uff04\u201d\u3002<\/p>\n<h3>\u5728\u4e3b\u673a\u4e0a\u521b\u5efa\u6570\u636e\u5e93\u7684\u6302\u8f7d\u70b9\u3002<\/h3>\n<p>\u5728\u5f53\u524d\u76ee\u5f55\u4e0b\u521b\u5efa\u4e00\u4e2a\u540d\u4e3avols\u7684\u6587\u4ef6\u5939\u3002<\/p>\n<pre class=\"post-pre\"><code>mkdir ${PWD}\/vols\r\n<\/code><\/pre>\n<h3>\u542f\u52a8\u5bb9\u5668<\/h3>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">Container name pg_docker<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">\u30d1\u30b9\u30ef\u30fc\u30c9\u8a2d\u5b9a postgres POSTGRES_PASSWORD=postgres<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">\u30dd\u30fc\u30c8 host port:container port 5432:5432<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">volume\u3092\u30de\u30a6\u30f3\u30c8 $PWD\/vols:\/var\/lib\/postgresql\/<\/ul>\n<\/li>\n<\/ul>\n<p>\u30ab\u30ec\u30f3\u30c8\u30c7\u30a3\u30ec\u30af\u30c8\u30ea\u306evols\u306bdocker\u306epostgresql\u3092\u30de\u30a6\u30f3\u30c8<\/p>\n<pre class=\"post-pre\"><code>docker run --rm   --name pg-docker -e POSTGRES_PASSWORD=postgres -d -p 5432:5432 -v $PWD\/vols:\/var\/lib\/postgresql\/data  postgres\r\n<\/code><\/pre>\n<h3>\u786e\u8ba4\u5bb9\u5668<\/h3>\n<pre class=\"post-pre\"><code>$ docker container ls\r\nCONTAINER ID        IMAGE               COMMAND                  CREATED             STATUS              PORTS                    NAMES\r\n7dc570e3835c        postgres            \"docker-entrypoint.s\u2026\"   16 hours ago        Up 16 hours         0.0.0.0:5432-&gt;5432\/tcp   pg-docker\r\n<\/code><\/pre>\n<h3>\u5728Container NAME\u4e2d\uff0c\u4f7f\u7528shell\u8fde\u63a5\u5230Container\u3002<\/h3>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">container\u306b\u63a5\u7d9a\u3001Shell\u3092\u7acb\u3061\u4e0a\u3052\u308b docker exec \u30b3\u30f3\u30c6\u30ca\u306b\u5165\u308b\u3068\u30d7\u30ed\u30f3\u30d7\u30c8\u304c\u5909\u308f\u308a\u307e\u3059<\/ul>\n<\/li>\n<\/ul>\n<p>-it \u30a4\u30f3\u30bf\u30fc\u30e9\u30af\u30c6\u30a3\u30d6 tty\u3092\u6307\u5b9a<br \/>\n\/bin\/bash\u3000\u3000bash\u3092\u7acb\u3061\u4e0a\u3052\u308b<\/p>\n<p>postgres\u30e6\u30fc\u30b6\u30fc\u306b\u306a\u308b su &#8211; postgres\u3000\u3000\u307e\u305f\u3001\u30d7\u30ed\u30f3\u30d7\u30c8\u304c\u5909\u308f\u308a\u307e\u3059<br \/>\n\u4e00\u89a7\u3092\u8868\u793a\u3059\u308b psql -l<\/p>\n<pre class=\"post-pre\"><code>$ docker container exec -it pg-docker \/bin\/bash\r\nroot@db8619e414e8:\/# su - postgres\r\npostgres@db8619e414e8:~$ psql -l      \r\n                                 List of databases\r\n   Name    |  Owner   | Encoding |  Collate   |   Ctype    |   Access privileges   \r\n-----------+----------+----------+------------+------------+-----------------------\r\n postgres  | postgres | UTF8     | en_US.utf8 | en_US.utf8 | \r\n template0 | postgres | UTF8     | en_US.utf8 | en_US.utf8 | =c\/postgres          +\r\n           |          |          |            |            | postgres=CTc\/postgres\r\n template1 | postgres | UTF8     | en_US.utf8 | en_US.utf8 | =c\/postgres          +\r\n           |          |          |            |            | postgres=CTc\/postgres\r\n(3 rows)\r\n\r\n<\/code><\/pre>\n<p>\u4f7f\u7528createdb\u547d\u4ee4\u521b\u5efa\u540d\u4e3amydb\u7684\u6570\u636e\u5e93\uff0c\u6784\u9020CREATE\u8bed\u53e5\u3002<\/p>\n<pre class=\"post-pre\"><code>mydb=# CREATE TABLE weather (\r\n     id serial,\r\n     day date not null,\r\n     city varchar(80) not null,\r\n     temp_max numeric not null,           -- \u6700\u4f4e\u6c17\u6e29\r\n     temp_min numeric not null,           -- \u6700\u9ad8\u6c17\u6e29\r\n     wind real,\r\n    PRIMARY KEY (id)\r\n);\r\n<\/code><\/pre>\n<h3>\u7528psql\u767b\u5f55\u5230mydb\u6570\u636e\u5e93\u5e76\u521b\u5efa\u8868\u683c<\/h3>\n<ol>\n<li style=\"list-style-type: none;\">\n<ol>\u4f7f\u7528psql\u8fdb\u5165\u540d\u4e3amydb\u7684\u6570\u636e\u5e93<\/ol>\n<\/li>\n<\/ol>\n<p>&nbsp;<\/p>\n<ol>\n<li style=\"list-style-type: none;\">\n<ol>\u521b\u5efaweather\u8868 CREATE TABLE<\/ol>\n<\/li>\n<\/ol>\n<p>&nbsp;<\/p>\n<ol>\n<li style=\"list-style-type: none;\">\n<ol>\u67e5\u770bweather\u8868\u7684\u5b9a\u4e49 \\d \u8868\u540d<\/ol>\n<\/li>\n<\/ol>\n<p>&nbsp;<\/p>\n<ol>\n<li style=\"list-style-type: none;\">\n<ol>\u63d2\u5165\u6570\u636e INSERT INTO<\/ol>\n<\/li>\n<\/ol>\n<p>&nbsp;<\/p>\n<ol>\n<li style=\"list-style-type: none;\">\n<ol>\u67e5\u770b\u6570\u636e SELECT<\/ol>\n<\/li>\n<\/ol>\n<p>&nbsp;<\/p>\n<ol>\n<li style=\"list-style-type: none;\">\n<ol>\u9000\u51fapsql \\q<\/ol>\n<\/li>\n<\/ol>\n<p>&nbsp;<\/p>\n<ol>\n<li style=\"list-style-type: none;\">\n<ol>\u9000\u51fapostgres\u7528\u6237 exit<\/ol>\n<\/li>\n<\/ol>\n<p>&nbsp;<\/p>\n<ol>\u9000\u51fadocker\u5bb9\u5668 exit<\/ol>\n<p>\u5929\u6c14\u8868\u5b9a\u4e49<br \/>\nid\u5217 \u662f\u5e8f\u5217\u578b\u7684\u4e3b\u952e<br \/>\nday\u5217 \u662f\u65e5\u671f\u578b\u7684\uff0c\u4e0d\u80fd\u4e3a\u7a7a<br \/>\ntemp_max\u5217 \u662f\u6570\u5b57\u578b\u7684\uff0c\u4e0d\u80fd\u4e3a\u7a7a<br \/>\ntemp_min\u5217 \u662f\u6570\u5b57\u578b\u7684\uff0c\u4e0d\u80fd\u4e3a\u7a7a<br \/>\nwind\u5217 \u662f\u5b9e\u6570\u578b\u7684<\/p>\n<pre class=\"post-pre\"><code>postgres@db8619e414e8:~$ psql mydb\r\npsql (12.3 (Debian 12.3-1.pgdg100+1))\r\nType \"help\" for help.\r\n\r\nmydb=# CREATE TABLE weather (\r\nmydb(#      id serial,\r\nmydb(#      day date not null,\r\nmydb(#      city varchar(80) not null,\r\nmydb(#      temp_max numeric not null,           -- \u6700\u4f4e\u6c17\u6e29\r\nmydb(#      temp_min numeric not null,           -- \u6700\u9ad8\u6c17\u6e29\r\nmydb(#      wind real,\r\nmydb(#     PRIMARY KEY (id)\r\nmydb(# );\r\nCREATE TABLE\r\nmydb=# \r\n\r\nmydb=# \\d weather\r\n                                    Table \"public.weather\"\r\n  Column  |         Type          | Collation | Nullable |               Default               \r\n----------+-----------------------+-----------+----------+-------------------------------------\r\n id       | integer               |           | not null | nextval('weather_id_seq'::regclass)\r\n day      | date                  |           | not null | \r\n city     | character varying(80) |           | not null | \r\n temp_max | numeric               |           | not null | \r\n temp_min | numeric               |           | not null | \r\n wind     | real                  |           |          | \r\nIndexes:\r\n    \"weather_pkey\" PRIMARY KEY, btree (id)\r\n\r\nmydb=# INSERT INTO weather VALUES (0,'2019-11-18', 'test',21.3,10.5,0.7);\r\nINSERT 0 1\r\nmydb=# INSERT INTO weather VALUES (1,'2020-07-18', 'test',11.3,7.5,0.7);\r\nINSERT 0 1\r\n\r\nmydb=# select * from weather;\r\n id |    day     | city | temp_max | temp_min | wind \r\n----+------------+------+----------+----------+------\r\n  0 | 2019-11-18 | test |     21.3 |     10.5 |  0.7\r\n  1 | 2020-07-18 | test |     11.3 |      7.5 |  0.7\r\n(2 rows)\r\n\r\n\r\npostgres@db8619e414e8:~$ exit\r\nlogout\r\nroot@db8619e414e8:\/# exit\r\nexit\r\n$ \r\n<\/code><\/pre>\n<h3>\u786e\u8ba4\u56fe\u50cf\u5e76\u505c\u6b62\u5bb9\u5668<\/h3>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">docker image ls \u3067\u3001\u6700\u65b0\u7248\u306epostgres lateat\u304c\u53d6\u5f97\u3055\u308c\u3066\u3044\u308b<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">docker container ls -a \u30b3\u30f3\u30c6\u30ca\u306e\u78ba\u8a8d\u3000STATUS\u3067\u3001Up ~~~\u3092\u78ba\u8a8d<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">docker container stop pg-docker\u3000\u30b3\u30f3\u30c6\u30ca\u3092\u505c\u6b62<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">docker container ls -a \u30b3\u30f3\u30c6\u30ca\u306e\u78ba\u8a8d\u3000\u7dba\u9e97\u306b\u7247\u3065\u3044\u3066\u3044\u308b<\/ul>\n<\/li>\n<\/ul>\n<p>run\u3092\u3057\u305f\u3068\u304d\u306e\u30aa\u30d7\u30b7\u30e7\u30f3 &#8211;rm \u304c\u52b9\u3044\u3066\u3044\u308b<\/p>\n<pre class=\"post-pre\"><code>$ docker image ls\r\nREPOSITORY          TAG                 IMAGE ID            CREATED             SIZE\r\npostgres            latest              4b52913b0a3a        2 days ago          313MB\r\nnginx               latest              0901fa9da894        2 weeks ago         132MB\r\ncentos              7                   b5b4d78bc90c        2 months ago        203MB\r\n\r\n$ docker container ls -a\r\nCONTAINER ID        IMAGE               COMMAND                  CREATED             STATUS              PORTS                    NAMES\r\ndb8619e414e8        postgres            \"docker-entrypoint.s\u2026\"   About an hour ago   Up About an hour    0.0.0.0:5432-&gt;5432\/tcp   pg-docker\r\n\r\n$ docker container stop pg-docker\r\npg-docker\r\n\r\n$ docker container ls -a         \r\nCONTAINER ID        IMAGE               COMMAND             CREATED             STATUS              PORTS               NAMES\r\n<\/code><\/pre>\n<h3>\u4f7f\u7528Python\u4e3b\u673a\u4e0eDocker\u4e2d\u7684PostgreSQL\u5efa\u7acb\u8fde\u63a5\uff0c\u5e76\u4f7f\u7528Pandas\u3002<\/h3>\n<p>\u8bf7\u6267\u884c\u4ee5\u4e0b\u64cd\u4f5c\u4e4b\u4e00\u4ee5\u8fdb\u884c paraphrase:<br \/>\n1. \u5728\u6267\u884c\u8fd9\u4e2a\u547d\u4ee4\u4e4b\u524d\uff0c\u8bf7\u786e\u4fdd\u505c\u6b62\u524d\u4e00\u4e2a\u5bb9\u5668\uff0c\u6216\u8005\u91cd\u65b0\u8fd0\u884c docker container run \u547d\u4ee4<br \/>\n2. \u5728\u5b89\u88c5 psycopg2 \u4e4b\u524d\uff0c\u8bf7\u786e\u4fdd\u505c\u6b62\u4e4b\u524d\u7684\u5bb9\u5668\uff0c\u6216\u8005\u518d\u6b21\u8fd0\u884c docker container run \u547d\u4ee4\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"err\">$<\/span> <span class=\"n\">python<\/span>\r\n<span class=\"n\">Python<\/span> <span class=\"mf\">3.7<\/span><span class=\"p\">.<\/span><span class=\"mi\">5<\/span> <span class=\"p\">(<\/span><span class=\"n\">default<\/span><span class=\"p\">,<\/span> <span class=\"n\">Oct<\/span> <span class=\"mi\">25<\/span> <span class=\"mi\">2019<\/span><span class=\"p\">,<\/span> <span class=\"mi\">10<\/span><span class=\"p\">:<\/span><span class=\"mi\">52<\/span><span class=\"p\">:<\/span><span class=\"mi\">18<\/span><span class=\"p\">)<\/span> \r\n<span class=\"p\">[<\/span><span class=\"n\">Clang<\/span> <span class=\"mf\">4.0<\/span><span class=\"p\">.<\/span><span class=\"mi\">1<\/span> <span class=\"p\">(<\/span><span class=\"n\">tags<\/span><span class=\"o\">\/<\/span><span class=\"n\">RELEASE_401<\/span><span class=\"o\">\/<\/span><span class=\"n\">final<\/span><span class=\"p\">)]<\/span> <span class=\"p\">::<\/span> <span class=\"n\">Anaconda<\/span><span class=\"p\">,<\/span> <span class=\"n\">Inc<\/span><span class=\"p\">.<\/span> <span class=\"n\">on<\/span> <span class=\"n\">darwin<\/span>\r\n<span class=\"n\">Type<\/span> <span class=\"s\">\"help\"<\/span><span class=\"p\">,<\/span> <span class=\"s\">\"copyright\"<\/span><span class=\"p\">,<\/span> <span class=\"s\">\"credits\"<\/span> <span class=\"ow\">or<\/span> <span class=\"s\">\"license\"<\/span> <span class=\"k\">for<\/span> <span class=\"n\">more<\/span> <span class=\"n\">information<\/span><span class=\"p\">.<\/span>\r\n<span class=\"o\">&gt;&gt;&gt;<\/span> <span class=\"kn\">import<\/span> <span class=\"nn\">psycopg2<\/span>\r\n<span class=\"o\">&gt;&gt;&gt;<\/span> <span class=\"kn\">import<\/span> <span class=\"nn\">pandas<\/span> <span class=\"k\">as<\/span> <span class=\"n\">pd<\/span>\r\n<span class=\"o\">&gt;&gt;&gt;<\/span> <span class=\"c1\"># \u63a5\u7d9a\u8a2d\u5b9a\r\n<\/span><span class=\"p\">...<\/span> <span class=\"n\">conn<\/span> <span class=\"o\">=<\/span> <span class=\"n\">psycopg2<\/span><span class=\"p\">.<\/span><span class=\"n\">connect<\/span><span class=\"p\">(<\/span><span class=\"s\">\"dbname=mydb host=localhost port=5432 user=postgres password=postgres\"<\/span><span class=\"p\">)<\/span>\r\n<span class=\"o\">&gt;&gt;&gt;<\/span> \r\n<span class=\"o\">&gt;&gt;&gt;<\/span> <span class=\"n\">query<\/span> <span class=\"o\">=<\/span> <span class=\"s\">\"SELECT * FROM weather;\"<\/span>\r\n<span class=\"o\">&gt;&gt;&gt;<\/span> <span class=\"n\">df<\/span> <span class=\"o\">=<\/span> <span class=\"n\">pd<\/span><span class=\"p\">.<\/span><span class=\"n\">read_sql<\/span><span class=\"p\">(<\/span><span class=\"n\">sql<\/span><span class=\"o\">=<\/span><span class=\"n\">query<\/span><span class=\"p\">,<\/span> <span class=\"n\">con<\/span><span class=\"o\">=<\/span><span class=\"n\">conn<\/span><span class=\"p\">)<\/span>\r\n<span class=\"o\">&gt;&gt;&gt;<\/span> <span class=\"n\">df<\/span>\r\n   <span class=\"nb\">id<\/span>         <span class=\"n\">day<\/span>  <span class=\"n\">city<\/span>  <span class=\"n\">temp_max<\/span>  <span class=\"n\">temp_min<\/span>  <span class=\"n\">wind<\/span>\r\n<span class=\"mi\">0<\/span>   <span class=\"mi\">0<\/span>  <span class=\"mi\">2019<\/span><span class=\"o\">-<\/span><span class=\"mi\">11<\/span><span class=\"o\">-<\/span><span class=\"mi\">18<\/span>  <span class=\"n\">test<\/span>      <span class=\"mf\">21.3<\/span>      <span class=\"mf\">10.5<\/span>   <span class=\"mf\">0.7<\/span>\r\n<span class=\"mi\">1<\/span>   <span class=\"mi\">1<\/span>  <span class=\"mi\">2019<\/span><span class=\"o\">-<\/span><span class=\"mi\">12<\/span><span class=\"o\">-<\/span><span class=\"mi\">18<\/span>  <span class=\"n\">test<\/span>      <span class=\"mf\">11.3<\/span>       <span class=\"mf\">7.5<\/span>   <span class=\"mf\">0.7<\/span>\r\n<span class=\"o\">&gt;&gt;&gt;<\/span> <span class=\"nb\">exit<\/span><span class=\"p\">()<\/span>\r\n<span class=\"err\">$<\/span>\r\n<\/code><\/pre>\n<h3>\u8fde\u63a5\u8bbe\u7f6e<\/h3>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">conn = psycopg2.connect()<\/ul>\n<\/li>\n<\/ul>\n<p>dbname=DataBase\u540d or database=DataBase\u540d<br \/>\nuser=\u30e6\u30fc\u30b6\u30fc\u540d<br \/>\npassword=\u30d1\u30b9\u30ef\u30fc\u30c9<br \/>\nhost=URL<br \/>\nport=\u30dd\u30fc\u30c8\u756a\u53f7 default\u306e\u5834\u5408\u7701\u7565\u53ef<\/p>\n<h3>\u7528Pandas\u7684pd.read_sql\u51fd\u6570\u8bfb\u53d6SQL\u67e5\u8be2\u7ed3\u679c\u5e76\u8bbe\u7f6e\u8fde\u63a5\u3002<\/h3>\n<p>\u53c2\u8003\u300a\u5728Docker\u4e2d\u4f7f\u7528PostgreSQL\u548cDocker\u6570\u636e\u5377\u6302\u8f7d\u300b\uff08https:\/\/medium.com\/faun\/postgresql-in-docker-mount-volume-3220fbd0afc4\uff09\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u4f7f\u7528Docker\u521b\u5efaPostgreSQL\uff0c\u5e76\u4f7f\u7528Python3\u7684pandas\u5e93\u8fdb\u884c\u64cd\u4f5c\u3002 \u73af\u5883\uff1a \u5728macOS [&hellip;]<\/p>\n","protected":false},"author":3,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-41576","post","type-post","status-publish","format-standard","hentry","category-uncategorized"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v21.5 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