一 快速编排Docker-Compose 容器集群
1.1 认识Docker-Compose
Docker-Compose项目是一个开源项目,它属于Docker官方,能够快速编排对Docker容器集群。这个项目是用Python编写,调用Docker服务提供的API来对容器进行管理。
1.2 compose 部署
Docker Compose是一款的独立产品,自然也需要多带带安装
下载
curl -L https://github.com/docker/compose/releases/download/1.21.1/docker-compose-`uname -s`-`uname -m` -o /usr/local/bin/docker-compose mv docker-compose /usr/local/bin/ chmod +x /usr/local/bin/docker-compose docker-compose --version
下载完成后,给文件执行权限,查看版本号,此时就已经安装好了
1.3 YAML文件格式及编写注意事项
YAML 是一种标记语言,它具有很直观的展示数据序列化格式,可读性高,深受我们的喜欢。它与XML相比,语法更简单。
YAML 文件格式及编写注意事项
· 大小与敏感
· 层级关系可以通过缩进表示
· 缩进只能使用空格
· 注释要用#号
· 符号字符后缩进1个空格
配置常用字段图
1.4 Docker compose 常用命令字段图
如图
二 编写Docker Compose搭建lnmp论坛
2.1 进行准备工作
准备
vim /etc/sysctl.conf net.ipv4.ip_forward = 1 sysctl -p systemctl restart docker
2.2 编写dockerfile文件
dockerfile
FROM centos:7 MAINTAINER this is nginx images<gb> RUN yum -y install pcre-devel zlib-devel gcc gcc-c++ make RUN useradd -M -s /sbin/nologin nginx ADD nginx-1.12.0.tar.gz /opt/ WORKDIR /opt/nginx-1.12.0/ RUN ./configure \ --prefix=/usr/local/nginx \ --user=nginx \ --group=nginx \ --with-http_stub_status_module && make -j4 && make install ENV PATH $PATH:/usr/local/nginx/sbin ADD nginx.conf /usr/local/nginx/conf/ RUN chmod 777 -R /usr/local/nginx/html/ EXPOSE 80 EXPOSE 443 CMD ["/usr/local/nginx/sbin/nginx", "-g", "daemon off;"]
配置nginx配置文件
#user nobody; worker_processes 1; #error_log logs/error.log; #error_log logs/error.log notice; #error_log logs/error.log info; #pid logs/nginx.pid; events { worker_connections 1024; } http { include mime.types; default_type application/octet-stream; #log_format main '$remote_addr - $remote_user [$time_local] "$request" ' # '$status $body_bytes_sent "$http_referer" ' # '"$http_user_agent" "$http_x_forwarded_for"'; #access_log logs/access.log main; sendfile on; #tcp_nopush on; #keepalive_timeout 0; keepalive_timeout 65; #gzip on; server { listen 80; server_name localhost; charset utf-8; #access_log logs/host.access.log main; location / { root html; index index.html index.php; } #error_page 404 /404.html; # redirect server error pages to the static page /50x.html # error_page 500 502 503 504 /50x.html; location = /50x.html { root html; } # proxy the PHP scripts to Apache listening on 127.0.0.1:80 # #location ~ \.php$ { # proxy_pass http://127.0.0.1; #} # pass the PHP scripts to FastCGI server listening on 127.0.0.1:9000 # location ~ \.php$ { root html; fastcgi_pass 172.18.0.30:9000; fastcgi_index index.php; fastcgi_param SCRIPT_FILENAME /usr/local/nginx/html$fastcgi_script_name; include fastcgi_params; } # deny access to .htaccess files, if Apache's document root # concurs with nginx's one # #location ~ /\.ht { # deny all; #} } # another virtual host using mix of IP-, name-, and port-based configuration # #server { # listen 8000; # listen somename:8080; # server_name somename alias another.alias; # location / { # root html; # index index.html index.htm; # } #} # HTTPS server # #server { # listen 443 ssl; # server_name localhost; # ssl_certificate cert.pem; # ssl_certificate_key cert.key; # ssl_session_cache shared:SSL:1m; # ssl_session_timeout 5m; # ssl_ciphers HIGH:!aNULL:!MD5; # ssl_prefer_server_ciphers on; # location / { # root html; # index index.html index.htm; # } #} }
三 配置mysql
3.1 载入配置文件
载入
vim my.cnf [client] port = 3306 socket=/usr/local/mysql/mysql.sock [mysqld] user = mysql basedir=/usr/local/mysql datadir=/usr/local/mysql/data port = 3306 character-set-server=utf8 pid-file = /usr/local/mysql/mysqld.pid socket=/usr/local/mysql/mysql.sock bind-address = 0.0.0.0 skip-name-resolve max_connections=2048 default-storage-engine=INNODB max_allowed_packet=16M server-id = 1 sql_mode=NO_ENGINE_SUBSTITUTION,STRICT_TRANS_TABLES,NO_AUTO_CREATE_USER,NO_AUTO_VALUE_ON_ZERO,NO_ZERO_IN_DATE,NO_ZERO_DATE,ERROR_FOR_DIVISION_BY_ZERO,PIPES_AS_CONCAT,ANSI_QUOTES
3.2 dockerfile文件编写
dockerfile
FROM centos:7 MAINTAINER this is mysql image <lnmp> RUN yum -y install gcc gcc-c++ ncurses ncurses-devel bison cmake make;useradd -M -s /sbin/nologin mysql ADD mysql-boost-5.7.20.tar.gz /usr/local/src/ WORKDIR /usr/local/src/mysql-5.7.20/ RUN cmake \ -DCMAKE_INSTALL_PREFIX=/usr/local/mysql \ -DMYSQL_UNIX_ADDR=/usr/local/mysql/mysql.sock \ -DSYSCONFDIR=/etc \ -DSYSTEMD_PID_DIR=/usr/local/mysql \ -DDEFAULT_CHARSET=utf8 \ -DDEFAULT_COLLATION=utf8_general_ci \ -DWITH_EXTRA_CHARSETS=all \ -DWITH_INNOBASE_STORAGE_ENGINE=1 \ -DWITH_ARCHIVE_STORAGE_ENGINE=1 \ -DWITH_BLACKHOLE_STORAGE_ENGINE=1 \ -DWITH_PERFSCHEMA_STORAGE_ENGINE=1 \ -DMYSQL_DATADIR=/usr/local/mysql/data \ -DWITH_BOOST=boost \ -DWITH_SYSTEMD=1;make -j 4;make install ADD my.cnf /etc/my.cnf EXPOSE 3306 RUN chown -R mysql:mysql /usr/local/mysql/;chown mysql:mysql /etc/my.cnf WORKDIR /usr/local/mysql/bin/ RUN ./mysqld \ --initialize-insecure \ --user=mysql \ --basedir=/usr/local/mysql \ --datadir=/usr/local/mysql/data;cp /usr/local/mysql/usr/lib/systemd/system/mysqld.service /usr/lib/systemd/system/;systemctl enable mysqld ENV PATH=/usr/local/mysql/bin:/usr/local/mysql/lib:$PATH VOLUME [ "/usr/local/mysql" ] CMD ["/usr/sbin/init"]
四 配置php
4.1 Dockerfile文件的编写
Dockerfile
FROM centos:7 MAINTAINER this is php image <lnmp> RUN yum install -y gd \ libjpeg libjpeg-devel \ libpng libpng-devel \ freetype freetype-devel \ libxml2 libxml2-devel \ zlib zlib-devel \ curl curl-devel \ openssl openssl-devel \ gcc gcc-c++ make pcre-devel;useradd -M -s /sbin/nologin nginx ADD php-7.1.10.tar.bz2 /usr/local/src/ WORKDIR /usr/local/src/php-7.1.10 RUN ./configure \ --prefix=/usr/local/php \ --with-mysql-sock=/usr/local/mysql/mysql.sock \ --with-mysqli \ --with-zlib \ --with-curl \ --with-gd \ --with-jpeg-dir \ --with-png-dir \ --with-freetype-dir \ --with-openssl \ --enable-fpm \ --enable-mbstring \ --enable-xml \ --enable-session \ --enable-ftp \ --enable-pdo \ --enable-tokenizer \ --enable-zip ; make -j 4 ; make install ENV PATH /usr/local/php/bin:/usr/local/php/sbin:$PATH ADD php.ini /usr/local/php/lib/ ADD php-fpm.conf /usr/local/php/etc/ RUN rm -rf /usr/local/php/etc/php-fpm.d/www.conf.default ADD www.conf /usr/local/php/etc/php-fpm.d/ EXPOSE 9000 CMD /usr/local/php/sbin/php-fpm -F
4.2 修改配置文件
修改
vim php-fpm.conf [global] pid = run/php-fpm.pid include=/usr/local/php/etc/php-fpm.d/*.conf vim php.ini [PHP] engine = On short_open_tag = Off precision = 14 output_buffering = 4096 zlib.output_compression = Off implicit_flush = Off unserialize_callback_func = serialize_precision = -1 disable_functions = disable_classes = zend.enable_gc = On expose_php = On max_execution_time = 30 max_input_time = 60 memory_limit = 128M error_reporting = E_ALL display_errors = On display_startup_errors = On log_errors = On log_errors_max_len = 1024 ignore_repeated_errors = Off ignore_repeated_source = Off report_memleaks = On track_errors = On html_errors = On variables_order = "GPCS" request_order = "GP" register_argc_argv = Off auto_globals_jit = On post_max_size = 8M auto_prepend_file = auto_append_file = default_mimetype = "text/html" default_charset = "UTF-8" doc_root = user_dir = enable_dl = Off file_uploads = On upload_max_filesize = 2M max_file_uploads = 20 allow_url_fopen = On allow_url_include = Off default_socket_timeout = 60 [CLI Server] cli_server.color = On [Date] date.timezone = Asia/Shanghai [filter] [iconv] [intl] [sqlite3] [Pcre] [Pdo] [Pdo_mysql] pdo_mysql.cache_size = 2000 pdo_mysql.default_socket= [Phar] [mail function] SMTP = localhost smtp_port = 25 mail.add_x_header = On [SQL] sql.safe_mode = Off [ODBC] odbc.allow_persistent = On odbc.check_persistent = On odbc.max_persistent = -1 odbc.max_links = -1 odbc.defaultlrl = 4096 odbc.defaultbinmode = 1 [Interbase] ibase.allow_persistent = 1 ibase.max_persistent = -1 ibase.max_links = -1 ibase.timestampformat = "%Y-%m-%d %H:%M:%S" ibase.dateformat = "%Y-%m-%d" ibase.timeformat = "%H:%M:%S" [MySQLi] mysqli.max_persistent = -1 mysqli.allow_persistent = On mysqli.max_links = -1 mysqli.cache_size = 2000 mysqli.default_port = 3306 mysqli.default_socket = /usr/local/mysql/mysql.sock mysqli.default_host = mysqli.default_user = mysqli.default_pw = mysqli.reconnect = Off [mysqlnd] mysqlnd.collect_statistics = On mysqlnd.collect_memory_statistics = On [OCI8] [PostgreSQL] pgsql.allow_persistent = On pgsql.auto_reset_persistent = Off pgsql.max_persistent = -1 pgsql.max_links = -1 pgsql.ignore_notice = 0 pgsql.log_notice = 0 [bcmath] bcmath.scale = 0 [browscap] [Session] session.save_handler = files session.use_strict_mode = 0 session.use_cookies = 1 session.use_only_cookies = 1 session.name = PHPSESSID session.auto_start = 0 session.cookie_lifetime = 0 session.cookie_path = / session.cookie_domain = session.cookie_httponly = session.serialize_handler = php session.gc_probability = 1 session.gc_divisor = 1000 session.gc_maxlifetime = 1440 session.referer_check = session.cache_limiter = nocache session.cache_expire = 180 session.use_trans_sid = 0 session.sid_length = 26 session.trans_sid_tags = "a=href,area=href,frame=src,form=" session.sid_bits_per_character = 5 [Assertion] zend.assertions = 1 [COM] [mbstring] [gd] [exif] [Tidy] tidy.clean_output = Off [soap] soap.wsdl_cache_enabled=1 soap.wsdl_cache_dir="/tmp" soap.wsdl_cache_ttl=86400 soap.wsdl_cache_limit = 5 [sysvshm] [ldap] ldap.max_links = -1 [mcrypt] [dba] [opcache] [curl] [openssl] vim php-fpm.conf [global] pid = run/php-fpm.pid include=/usr/local/php/etc/php-fpm.d/*.conf 折叠 vim www.conf [www] user = nginx group = nginx listen = 172.18.0.30:9000 pm = dynamic pm.max_children = 5 pm.start_servers = 2 pm.min_spare_servers = 1 pm.max_spare_servers = 3
4.3 编写docker-compose.yml文件
docker-compose.yml
version: '2' services: nginx: container_name: nginx build: context: ./nginx dockerfile: Dockerfile ports: - 80:80 networks: lnmp: ipv4_address: 172.18.0.10 mysql: container_name: mysql privileged: true build: context: ./mysql dockerfile: Dockerfile ports: - 3306:3306 networks: lnmp: ipv4_address: 172.18.0.20 php: depends_on: - nginx - mysql build: context: ./php dockerfile: Dockerfile container_name: php ports: - 9000:9000 networks: lnmp: ipv4_address: 172.18.0.30 volumes_from: - nginx - mysql networks: lnmp: driver: bridge ipam: config: - subnet: 172.18.0.0/16 docker-compose -f docker-compose.yml up -d docker ps -a
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