Add missing php-pgsql packages to ddev-webserver container (#1514)

* Install php*-pgsql when creating the image

* Bump webserver tag

containers/ddev-webserver/Dockerfile

@@ -80,7 +80,7 @@ RUN apt-get -qq update && \
         openssh-client \
         php-imagick \
         php-uploadprogress && \
-    for v in $PHP_VERSIONS; do apt-get -qq install --no-install-recommends --no-install-suggests -y $v-apcu $v-bcmath $v-bz2 $v-curl $v-cgi $v-cli $v-common $v-fpm $v-gd $v-intl $v-json $v-mysql $v-mbstring $v-memcached $v-opcache $v-redis $v-soap $v-sqlite3 $v-readline $v-xdebug $v-xml $v-xmlrpc $v-zip libapache2-mod-$v ; done && \
+    for v in $PHP_VERSIONS; do apt-get -qq install --no-install-recommends --no-install-suggests -y $v-apcu $v-bcmath $v-bz2 $v-curl $v-cgi $v-cli $v-common $v-fpm $v-gd $v-intl $v-json $v-mysql $v-pgsql $v-mbstring $v-memcached $v-opcache $v-redis $v-soap $v-sqlite3 $v-readline $v-xdebug $v-xml $v-xmlrpc $v-zip libapache2-mod-$v ; done && \
     for v in php5.6 php7.0 php7.1; do apt-get -qq install --no-install-recommends --no-install-suggests -y $v-mcrypt; done && \
     apt-get -qq autoremove -y && \
     apt-get -qq clean -y && \

pkg/version/version.go

@@ -43,7 +43,7 @@ var DockerComposeFileFormatVersion = "3.6"
 var WebImg = "drud/ddev-webserver"
 
 // WebTag defines the default web image tag for drud dev
-var WebTag = "v1.7.0" // Note that this can be overridden by make
+var WebTag = "feature-pgsql-support" // Note that this can be overridden by make
 
 // DBImg defines the default db image used for applications.
 var DBImg = "drud/ddev-dbserver"