Block the installation of Debian's PHP packages

tianon · tianon · commit dbd5d1e03d12 · 2017-12-13T16:14:37.000-08:00
This will hopefully help folks with the confusion around installing packages like "php-apcu" and then wondering why they don't actually "work" (because they pull in Debian's PHP, and that's not what this image packages).
diff --git a/5.6/jessie/apache/Dockerfile b/5.6/jessie/apache/Dockerfile
@@ -6,6 +6,14 @@
 
 FROM debian:jessie
 
+# prevent Debian's PHP packages from being installed
+RUN set -eux; \
+	{ \
+		echo 'Package: php*'; \
+		echo 'Pin: release  *'; \
+		echo 'Pin-Priority: -1'; \
+	} > /etc/apt/preferences.d/no-debian-php
+
 # persistent / runtime deps
 ENV PHPIZE_DEPS \
 		autoconf \
diff --git a/5.6/jessie/cli/Dockerfile b/5.6/jessie/cli/Dockerfile
@@ -6,6 +6,14 @@
 
 FROM debian:jessie
 
+# prevent Debian's PHP packages from being installed
+RUN set -eux; \
+	{ \
+		echo 'Package: php*'; \
+		echo 'Pin: release  *'; \
+		echo 'Pin-Priority: -1'; \
+	} > /etc/apt/preferences.d/no-debian-php
+
 # persistent / runtime deps
 ENV PHPIZE_DEPS \
 		autoconf \
diff --git a/5.6/jessie/fpm/Dockerfile b/5.6/jessie/fpm/Dockerfile
@@ -6,6 +6,14 @@
 
 FROM debian:jessie
 
+# prevent Debian's PHP packages from being installed
+RUN set -eux; \
+	{ \
+		echo 'Package: php*'; \
+		echo 'Pin: release  *'; \
+		echo 'Pin-Priority: -1'; \
+	} > /etc/apt/preferences.d/no-debian-php
+
 # persistent / runtime deps
 ENV PHPIZE_DEPS \
 		autoconf \
diff --git a/5.6/jessie/zts/Dockerfile b/5.6/jessie/zts/Dockerfile
@@ -6,6 +6,14 @@
 
 FROM debian:jessie
 
+# prevent Debian's PHP packages from being installed
+RUN set -eux; \
+	{ \
+		echo 'Package: php*'; \
+		echo 'Pin: release  *'; \
+		echo 'Pin-Priority: -1'; \
+	} > /etc/apt/preferences.d/no-debian-php
+
 # persistent / runtime deps
 ENV PHPIZE_DEPS \
 		autoconf \
diff --git a/7.0/jessie/apache/Dockerfile b/7.0/jessie/apache/Dockerfile
@@ -6,6 +6,14 @@
 
 FROM debian:jessie
 
+# prevent Debian's PHP packages from being installed
+RUN set -eux; \
+	{ \
+		echo 'Package: php*'; \
+		echo 'Pin: release  *'; \
+		echo 'Pin-Priority: -1'; \
+	} > /etc/apt/preferences.d/no-debian-php
+
 # persistent / runtime deps
 ENV PHPIZE_DEPS \
 		autoconf \
diff --git a/7.0/jessie/cli/Dockerfile b/7.0/jessie/cli/Dockerfile
@@ -6,6 +6,14 @@
 
 FROM debian:jessie
 
+# prevent Debian's PHP packages from being installed
+RUN set -eux; \
+	{ \
+		echo 'Package: php*'; \
+		echo 'Pin: release  *'; \
+		echo 'Pin-Priority: -1'; \
+	} > /etc/apt/preferences.d/no-debian-php
+
 # persistent / runtime deps
 ENV PHPIZE_DEPS \
 		autoconf \
diff --git a/7.0/jessie/fpm/Dockerfile b/7.0/jessie/fpm/Dockerfile
@@ -6,6 +6,14 @@
 
 FROM debian:jessie
 
+# prevent Debian's PHP packages from being installed
+RUN set -eux; \
+	{ \
+		echo 'Package: php*'; \
+		echo 'Pin: release  *'; \
+		echo 'Pin-Priority: -1'; \
+	} > /etc/apt/preferences.d/no-debian-php
+
 # persistent / runtime deps
 ENV PHPIZE_DEPS \
 		autoconf \
diff --git a/7.0/jessie/zts/Dockerfile b/7.0/jessie/zts/Dockerfile
@@ -6,6 +6,14 @@
 
 FROM debian:jessie
 
+# prevent Debian's PHP packages from being installed
+RUN set -eux; \
+	{ \
+		echo 'Package: php*'; \
+		echo 'Pin: release  *'; \
+		echo 'Pin-Priority: -1'; \
+	} > /etc/apt/preferences.d/no-debian-php
+
 # persistent / runtime deps
 ENV PHPIZE_DEPS \
 		autoconf \
diff --git a/7.1/jessie/apache/Dockerfile b/7.1/jessie/apache/Dockerfile
@@ -6,6 +6,14 @@
 
 FROM debian:jessie
 
+# prevent Debian's PHP packages from being installed
+RUN set -eux; \
+	{ \
+		echo 'Package: php*'; \
+		echo 'Pin: release  *'; \
+		echo 'Pin-Priority: -1'; \
+	} > /etc/apt/preferences.d/no-debian-php
+
 # persistent / runtime deps
 ENV PHPIZE_DEPS \
 		autoconf \
diff --git a/7.1/jessie/cli/Dockerfile b/7.1/jessie/cli/Dockerfile
@@ -6,6 +6,14 @@
 
 FROM debian:jessie
 
+# prevent Debian's PHP packages from being installed
+RUN set -eux; \
+	{ \
+		echo 'Package: php*'; \
+		echo 'Pin: release  *'; \
+		echo 'Pin-Priority: -1'; \
+	} > /etc/apt/preferences.d/no-debian-php
+
 # persistent / runtime deps
 ENV PHPIZE_DEPS \
 		autoconf \
diff --git a/7.1/jessie/fpm/Dockerfile b/7.1/jessie/fpm/Dockerfile
@@ -6,6 +6,14 @@
 
 FROM debian:jessie
 
+# prevent Debian's PHP packages from being installed
+RUN set -eux; \
+	{ \
+		echo 'Package: php*'; \
+		echo 'Pin: release  *'; \
+		echo 'Pin-Priority: -1'; \
+	} > /etc/apt/preferences.d/no-debian-php
+
 # persistent / runtime deps
 ENV PHPIZE_DEPS \
 		autoconf \
diff --git a/7.1/jessie/zts/Dockerfile b/7.1/jessie/zts/Dockerfile
@@ -6,6 +6,14 @@
 
 FROM debian:jessie
 
+# prevent Debian's PHP packages from being installed
+RUN set -eux; \
+	{ \
+		echo 'Package: php*'; \
+		echo 'Pin: release  *'; \
+		echo 'Pin-Priority: -1'; \
+	} > /etc/apt/preferences.d/no-debian-php
+
 # persistent / runtime deps
 ENV PHPIZE_DEPS \
 		autoconf \
diff --git a/7.2/stretch/apache/Dockerfile b/7.2/stretch/apache/Dockerfile
@@ -6,6 +6,14 @@
 
 FROM debian:stretch-slim
 
+# prevent Debian's PHP packages from being installed
+RUN set -eux; \
+	{ \
+		echo 'Package: php*'; \
+		echo 'Pin: release  *'; \
+		echo 'Pin-Priority: -1'; \
+	} > /etc/apt/preferences.d/no-debian-php
+
 # persistent / runtime deps
 ENV PHPIZE_DEPS \
 		autoconf \
diff --git a/7.2/stretch/cli/Dockerfile b/7.2/stretch/cli/Dockerfile
@@ -6,6 +6,14 @@
 
 FROM debian:stretch-slim
 
+# prevent Debian's PHP packages from being installed
+RUN set -eux; \
+	{ \
+		echo 'Package: php*'; \
+		echo 'Pin: release  *'; \
+		echo 'Pin-Priority: -1'; \
+	} > /etc/apt/preferences.d/no-debian-php
+
 # persistent / runtime deps
 ENV PHPIZE_DEPS \
 		autoconf \
diff --git a/7.2/stretch/fpm/Dockerfile b/7.2/stretch/fpm/Dockerfile
@@ -6,6 +6,14 @@
 
 FROM debian:stretch-slim
 
+# prevent Debian's PHP packages from being installed
+RUN set -eux; \
+	{ \
+		echo 'Package: php*'; \
+		echo 'Pin: release  *'; \
+		echo 'Pin-Priority: -1'; \
+	} > /etc/apt/preferences.d/no-debian-php
+
 # persistent / runtime deps
 ENV PHPIZE_DEPS \
 		autoconf \
diff --git a/7.2/stretch/zts/Dockerfile b/7.2/stretch/zts/Dockerfile
@@ -6,6 +6,14 @@
 
 FROM debian:stretch-slim
 
+# prevent Debian's PHP packages from being installed
+RUN set -eux; \
+	{ \
+		echo 'Package: php*'; \
+		echo 'Pin: release  *'; \
+		echo 'Pin-Priority: -1'; \
+	} > /etc/apt/preferences.d/no-debian-php
+
 # persistent / runtime deps
 ENV PHPIZE_DEPS \
 		autoconf \
diff --git a/Dockerfile-debian.template b/Dockerfile-debian.template
@@ -1,5 +1,13 @@
 FROM debian:%%DEBIAN_SUITE%%
 
+# prevent Debian's PHP packages from being installed
+RUN set -eux; \
+	{ \
+		echo 'Package: php*'; \
+		echo 'Pin: release  *'; \
+		echo 'Pin-Priority: -1'; \
+	} > /etc/apt/preferences.d/no-debian-php
+
 # persistent / runtime deps
 ENV PHPIZE_DEPS \
 		autoconf \
