用于python的psycopg2安装:Docker中的2.7-alpine

如果你只需要在基于python:2.7-alpine的 Docker镜像上为python 2.7安装psycopg2,那么下面的Dockerfile代码对你来说很不错:

FROM python:2.7-alpine

RUN apk update && \
    apk add --virtual build-deps gcc python-dev musl-dev && \
    apk add postgresql-dev

RUN pip install psycopg2

编译/安装psycopg2之前的解释

libpq是PostgreSQL的客户端库https://www.postgresql.org/docs/9.5/libpq.html

postgresql-dev 带有标题的包,用于链接库/二进制文件中的libpq,就像psycopg一样.

我在alpine 3.7中使用以下配置,我添加一些注释来解释它.

# Installing client libraries and any other package you need
RUN apk update && apk add libpq

# Installing build dependencies
# For python3 you need to add python3-dev *please upvote the comment
# of @its30 below if you use this*
RUN apk add --virtual .build-deps gcc python-dev musl-dev postgresql-dev

# Installing and build python module
RUN pip install psycopg2

# Delete build dependencies
RUN apk del .build-deps

FROM gliderlabs/alpine:3.3

RUN apk add --no-cache --update \
    python \
    python-dev \
    py-pip \
    build-base

RUN apk add --virtual build-deps gcc python-dev musl-dev && \
    apk add --no-cache --update postgresql-dev && \
    pip install psycopg2==2.7.1