docker构建镜像

基于alpine构建nginx镜像FROM alpine:3.2

#设置nginx版本
ENV    NGINX_VERSION=1.10.1   NGINX_HOME=/usr/local/nginx


# 从源码编译
RUN apk update   && apk  add curl  openssl-dev pcre-dev  zlib-dev  wget build-base
RUN curl -Ls http://nginx.org/download/nginx-${NGINX_VERSION}.tar.gz |  tar  -xz -C /tmp  &&  \
　　　　　　cd  /tmp/nginx-${NGINX_VERSION}  && \
        ./configure  \
            --with-http_ssl_module   \
            --with-http_gzip_static_module  \
            --prefix=${NGINX_HOME}    \
            --conf-path=/etc/nginx/nginx.conf     \
            --http-log-path=/var/log/nginx/access.log    \
            --error-log-path=/var/log/nginx/error/log   \
            --pid-path=/var/run/nginx.pid    \
            --sbin-path=/usr/sbin/nginx && \
        make  &&  \
        make install  && \
        apk del build-base && mkdir -p /etc/nginx/conf.d &&  \
        rm -rf /tmp/*
            
# 请求和错误日志转发给docker日志收集器
RUN ln -sf /dev/stdout  /var/log/nginx/access.log
RUN ln -sf /dev/stderr  /var/log/nginx/error.log

# 添加nginx默认配置
#  ADD  etc  /etc


# 暴露端口
EXPOSE  80  443

CMD    ["nginx","-g","demon off;"]

docker  build  -t user/nginx:alpine  .

docker run --rm -p 80:80 user/nginx:alpine

 mysql5.6

FROM debian:stretch-slim

# 添加用户组、用户，以便以非root状态运行，提高安全性
RUN groupadd -r mysql && useradd -r -g mysql mysql

RUN apt-get update && apt-get install -y --no-install-recommends gnupg dirmngr && rm -rf /var/lib/apt/lists/*

# 
ENV GOSU_VERSION 1.7
RUN set -x \
    && apt-get update && apt-get install -y --no-install-recommends ca-certificates wget && rm -rf /var/lib/apt/lists/* \
    && wget -O /usr/local/bin/gosu "https://github.com/tianon/gosu/releases/download/$GOSU_VERSION/gosu-$(dpkg --print-architecture)" \
    && wget -O /usr/local/bin/gosu.asc "https://github.com/tianon/gosu/releases/download/$GOSU_VERSION/gosu-$(dpkg --print-architecture).asc" \
    && export GNUPGHOME="$(mktemp -d)" \
    && gpg --batch --keyserver ha.pool.sks-keyservers.net --recv-keys B42F6819007F00F88E364FD4036A9C25BF357DD4 \
    && gpg --batch --verify /usr/local/bin/gosu.asc /usr/local/bin/gosu \
    && gpgconf --kill all \
    && rm -rf "$GNUPGHOME" /usr/local/bin/gosu.asc \
    && chmod +x /usr/local/bin/gosu \
    && gosu nobody true \
    && apt-get purge -y --auto-remove ca-certificates wget

RUN mkdir /docker-entrypoint-initdb.d

RUN apt-get update && apt-get install -y --no-install-recommends \
# for MYSQL_RANDOM_ROOT_PASSWORD
        pwgen \
# FATAL ERROR: please install the following Perl modules before executing /usr/local/mysql/scripts/mysql_install_db:
# File::Basename
# File::Copy
# Sys::Hostname
# Data::Dumper
        perl \
    && rm -rf /var/lib/apt/lists/*

RUN set -ex; \
# gpg: key 5072E1F5: public key "MySQL Release Engineering <mysql-build@oss.oracle.com>" imported
    key='A4A9406876FCBD3C456770C88C718D3B5072E1F5'; \
    export GNUPGHOME="$(mktemp -d)"; \
    gpg --batch --keyserver ha.pool.sks-keyservers.net --recv-keys "$key"; \
    gpg --batch --export "$key" > /etc/apt/trusted.gpg.d/mysql.gpg; \
    gpgconf --kill all; \
    rm -rf "$GNUPGHOME"; \
    apt-key list > /dev/null
# 统一设置版本号，修改方便
ENV MYSQL_MAJOR 5.6
ENV MYSQL_VERSION 5.6.42-1debian9
# 添加软件源
RUN echo "deb http://repo.mysql.com/apt/debian/ stretch mysql-${MYSQL_MAJOR}" > /etc/apt/sources.list.d/mysql.list

# the "/var/lib/mysql" stuff here is because the mysql-server postinst doesn't have an explicit way to disable the mysql_install_db codepath besides having a database already "configured" (ie, stuff in /var/lib/mysql/mysql)
# also, we set debconf keys to make APT a little quieter
RUN { \
        echo mysql-community-server mysql-community-server/data-dir select ''; \
        echo mysql-community-server mysql-community-server/root-pass password ''; \
        echo mysql-community-server mysql-community-server/re-root-pass password ''; \
        echo mysql-community-server mysql-community-server/remove-test-db select false; \
    } | debconf-set-selections \
    && apt-get update && apt-get install -y mysql-server="${MYSQL_VERSION}" && rm -rf /var/lib/apt/lists/* \
    && rm -rf /var/lib/mysql && mkdir -p /var/lib/mysql /var/run/mysqld \
    && chown -R mysql:mysql /var/lib/mysql /var/run/mysqld \
# ensure that /var/run/mysqld (used for socket and lock files) is writable regardless of the UID our mysqld instance ends up having at runtime
    && chmod 777 /var/run/mysqld \
# comment out a few problematic configuration values
    && find /etc/mysql/ -name '*.cnf' -print0 \
        | xargs -0 grep -lZE '^(bind-address|log)' \
        | xargs -rt -0 sed -Ei 's/^(bind-address|log)/#&/' \
# don't reverse lookup hostnames, they are usually another container
    && echo '[mysqld]\nskip-host-cache\nskip-name-resolve' > /etc/mysql/conf.d/docker.cnf
# 设置数据卷
VOLUME /var/lib/mysql

COPY docker-entrypoint.sh /usr/local/bin/
RUN ln -s usr/local/bin/docker-entrypoint.sh /entrypoint.sh # backwards compat
ENTRYPOINT ["docker-entrypoint.sh"]

EXPOSE 3306
CMD ["mysqld"]

docker run --name test-mysql --rm -e MYSQL_ROOT_PASSWORD=XASD

docker run -it --link test-mysql：mysql  --rm mysql:  sh  -c  \
    '
      exec mysql -h"$MYSQL_PORT_3306_TCP_ADDR" \
      -P"$MYSQL_PORT_3306_TCP_PORT"   \
      -uroot -p"MYSQL_ENV_MYSQL_ROOT_PASSWORD"         

'