错误：在Alpine Docker映像上安装PostGIS时的约束无法满足

  • Z时代
  • 2024-01-10
  • 分类：问答

好的，因此任务似乎很简单！使用Alpine图像（因为它重量轻且安全）来执行一些PostgreSQL数据库创建/迁移。我使用的是以下Dockerfile使用的代码在这里：

FROM alpine:latest
RUN apk add -U postgresql
# install PostGIS
ENV POSTGIS_VERSION 2.5.2
ENV POSTGIS_SHA256 225aeaece00a1a6a9af15526af81bef2af27f4c198de820af1367a792ee1d1a9
RUN set -ex \
    \
    && apk add --no-cache --virtual .fetch-deps \
        ca-certificates \
        openssl \
        tar \
    \
    && wget -O postgis.tar.gz "https://github.com/postgis/postgis/archive/$POSTGIS_VERSION.tar.gz" \
    && echo "$POSTGIS_SHA256 *postgis.tar.gz" | sha256sum -c - \
    && mkdir -p /usr/src/postgis \
    && tar \
        --extract \
        --file postgis.tar.gz \
        --directory /usr/src/postgis \
        --strip-components 1 \
    && rm postgis.tar.gz \
    \
    && apk add --no-cache --virtual .build-deps \
        autoconf \
        automake \
        g++ \
        json-c-dev \
        libtool \
        libxml2-dev \
        make \
        perl \
    \
    && apk add --no-cache --virtual .build-deps-edge \
        --repository http://dl-cdn.alpinelinux.org/alpine/edge/testing \
        --repository http://dl-cdn.alpinelinux.org/alpine/edge/main \
        gdal-dev \
        geos-dev \
        proj4-dev \
        protobuf-c-dev \
    && cd /usr/src/postgis \
    && ./autogen.sh \
# configure options taken from:
# https://anonscm.debian.org/cgit/pkg-grass/postgis.git/tree/debian/rules?h=jessie
    && ./configure \
#       --with-gui \
    && make \
    && make install \
    && apk add --no-cache --virtual .postgis-rundeps \
        json-c \
    && apk add --no-cache --virtual .postgis-rundeps-edge \
        --repository http://dl-cdn.alpinelinux.org/alpine/edge/testing \
        --repository http://dl-cdn.alpinelinux.org/alpine/edge/main \
        geos \
        gdal \
        proj4 \
        protobuf-c \
    && cd / \
    && rm -rf /usr/src/postgis \
    && apk del .fetch-deps .build-deps .build-deps-edge
COPY ./db-creator.sh /db-creator.sh
CMD ["./db-creator.sh"]

但是，apk由于某些unsatisfiable

constraints错误，未使用安装依赖项。错误如下，我打开的这个问题中提供了完整的日志。

ERROR: unsatisfiable constraints:
  gdal-dev (missing):
    required by: .build-deps-edge-20200123.143501[gdal-dev]
  geos-dev (missing):
    required by: .build-deps-edge-20200123.143501[geos-dev]
  proj4-dev (missing):
    required by: .build-deps-edge-20200123.143501[proj4-dev]

任何帮助表示赞赏。

回答：

github上的代码包含另一个图像postgres：11-alpine与问题中定义的图像进行比较alpine:latest。

软件包gdal-

dev，geos-

dev，protobuf-c-

dev不再位于边缘仓库测试分支中，它们已迁移到稳定的v3.11存储库中。还被proj4-dev重命名为proj-

dev，它也位于稳定的v3.11存储库中。

因此，要解决此问题，Dockerfile我们只需要从v3.11 repo安装上述软件包，即更改这部分代码：

&& apk add --no-cache --virtual .build-deps \
    autoconf \
    automake \
    g++ \
    json-c-dev \
    libtool \
    libxml2-dev \
    make \
    perl \
\
&& apk add --no-cache --virtual .build-deps-edge \
    --repository http://dl-cdn.alpinelinux.org/alpine/edge/testing \
    --repository http://dl-cdn.alpinelinux.org/alpine/edge/main \
    gdal-dev \
    geos-dev \
    proj4-dev \
    protobuf-c-dev \
    proj4-dev \
    protobuf-c-dev \

对此：

&& apk add --no-cache --virtual .build-deps \
    autoconf \
    automake \
    g++ \
    gdal-dev \
    geos-dev \
    json-c-dev \
    libtool \
    libxml2-dev \
    make \
    perl \
    proj-dev \
    protobuf-c-dev \
\

最终Dockerfile是：

FROM alpine:3.11
RUN apk add -U postgresql
# install PostGIS
ENV POSTGIS_VERSION 2.5.2
ENV POSTGIS_SHA256 225aeaece00a1a6a9af15526af81bef2af27f4c198de820af1367a792ee1d1a9
RUN set -ex \
    \
    && apk add --no-cache --virtual .fetch-deps \
        ca-certificates \
        openssl \
        tar \
    \
    && wget -O postgis.tar.gz "https://github.com/postgis/postgis/archive/$POSTGIS_VERSION.tar.gz" \
    && echo "$POSTGIS_SHA256 *postgis.tar.gz" | sha256sum -c - \
    && mkdir -p /usr/src/postgis \
    && tar \
        --extract \
        --file postgis.tar.gz \
        --directory /usr/src/postgis \
        --strip-components 1 \
    && rm postgis.tar.gz \
    \
    && apk add --no-cache --virtual .build-deps \
        autoconf \
        automake \
        g++ \
        gdal-dev \
        geos-dev \
        json-c-dev \
        libtool \
        libxml2-dev \
        make \
        perl \
        proj-dev \
        protobuf-c-dev \
    \
    && cd /usr/src/postgis \
    && ./autogen.sh \
# configure options taken from:
# https://anonscm.debian.org/cgit/pkg-grass/postgis.git/tree/debian/rules?h=jessie
    && ./configure \
#       --with-gui \
    && make \
    && make install \
    && apk add --no-cache --virtual .postgis-rundeps \
        json-c \
    && apk add --no-cache --virtual .postgis-rundeps-edge \
        --repository http://dl-cdn.alpinelinux.org/alpine/edge/testing \
        --repository http://dl-cdn.alpinelinux.org/alpine/edge/main \
        geos \
        gdal \
        proj4 \
        protobuf-c \
    && cd / \
    && rm -rf /usr/src/postgis \
    && apk del .fetch-deps .build-deps .build-deps-edge
COPY ./db-creator.sh /db-creator.sh
CMD ["./db-creator.sh"]

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