From 2b6cde397595d91a2c99e43f39263b1acf8b534a Mon Sep 17 00:00:00 2001
From: Julien Acroute <julien.acroute@camptocamp.com>
Date: Mon, 8 Aug 2016 17:19:03 +0200
Subject: [PATCH 1/3] Change uid of www-data user before starting apache

---
 apache-Dockerfile-block-2 | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/apache-Dockerfile-block-2 b/apache-Dockerfile-block-2
index 613378a197..af6a4e87d7 100644
--- a/apache-Dockerfile-block-2
+++ b/apache-Dockerfile-block-2
@@ -2,4 +2,5 @@ COPY apache2-foreground /usr/local/bin/
 WORKDIR /var/www/html
 
 EXPOSE 80
-CMD ["apache2-foreground"]
+ENTRYPOINT [ "sh", "-c", "usermod --non-unique --uid ${RUN_AS_UID:-33} www-data && chown -R www-data /run/apache2 /run/lock/apache2 /var/cache/apache2/mod_cache_disk /var/log/apache2 && exec apache2-foreground" ]
+

From c4dd2ec00b468c6c1893b5cc56f78f2ebd249714 Mon Sep 17 00:00:00 2001
From: Julien Acroute <julien.acroute@camptocamp.com>
Date: Wed, 17 Aug 2016 11:07:46 +0200
Subject: [PATCH 2/3] Separate UID change in dedicated shell script

---
 apache-Dockerfile-block-2         |  7 +++++--
 docker-entrypoint.d/00-update-uid | 12 ++++++++++++
 docker-entrypoint.sh              | 10 ++++++++++
 update.sh                         |  3 +++
 4 files changed, 30 insertions(+), 2 deletions(-)
 create mode 100755 docker-entrypoint.d/00-update-uid
 create mode 100755 docker-entrypoint.sh

diff --git a/apache-Dockerfile-block-2 b/apache-Dockerfile-block-2
index af6a4e87d7..a75747db09 100644
--- a/apache-Dockerfile-block-2
+++ b/apache-Dockerfile-block-2
@@ -1,6 +1,9 @@
+
+COPY docker-entrypoint.sh /docker-entrypoint.sh
+COPY docker-entrypoint.d /docker-entrypoint.d
+
 COPY apache2-foreground /usr/local/bin/
 WORKDIR /var/www/html
 
 EXPOSE 80
-ENTRYPOINT [ "sh", "-c", "usermod --non-unique --uid ${RUN_AS_UID:-33} www-data && chown -R www-data /run/apache2 /run/lock/apache2 /var/cache/apache2/mod_cache_disk /var/log/apache2 && exec apache2-foreground" ]
-
+ENTRYPOINT ["/docker-entrypoint.sh", "apache2-foreground"]
diff --git a/docker-entrypoint.d/00-update-uid b/docker-entrypoint.d/00-update-uid
new file mode 100755
index 0000000000..c507afb0b6
--- /dev/null
+++ b/docker-entrypoint.d/00-update-uid
@@ -0,0 +1,12 @@
+#!/usr/bin/env bash
+
+# current www-data UID
+CURRENT_UID=`id -u www-data`
+WANTED_UID=${RUN_AS_UID:-33}
+
+# check if UID need to be updated
+if [ $CURRENT_UID -ne $WANTED_UID ]; then
+    echo "Updating www-data UID to $WANTED_UID"
+    usermod --non-unique --uid $WANTED_UID www-data
+    chown -R www-data /run/apache2 /run/lock/apache2 /var/cache/apache2/mod_cache_disk /var/log/apache2
+fi
diff --git a/docker-entrypoint.sh b/docker-entrypoint.sh
new file mode 100755
index 0000000000..4c54157358
--- /dev/null
+++ b/docker-entrypoint.sh
@@ -0,0 +1,10 @@
+#!/bin/bash
+
+DIR=/docker-entrypoint.d
+
+if [[ -d "$DIR" ]]
+then
+  /bin/run-parts --verbose "$DIR"
+fi
+
+exec "$@"
diff --git a/update.sh b/update.sh
index 2b5eadb4f0..29281d2a5e 100755
--- a/update.sh
+++ b/update.sh
@@ -110,6 +110,9 @@ for version in "${versions[@]}"; do
 			ia { ac++ }
 			ia && ac == 1 { system("cat '$variant'-Dockerfile-block-" ab) }
 		' "$base" > "$version/$target/Dockerfile"
+		if [ $target == "apache" ]; then
+		    cp -vr docker-entrypoint.sh docker-entrypoint.d "$version/$target/"
+		fi
 		cp -v docker-php-ext-* "$version/$target/"
 		cp -v docker-php-source "$version/$target/"
 		dockerfiles+=( "$version/$target/Dockerfile" )

From 3d9de66f446c801ad6a283e8a1da68c862311897 Mon Sep 17 00:00:00 2001
From: Julien Acroute <julien.acroute@camptocamp.com>
Date: Wed, 17 Aug 2016 11:23:10 +0200
Subject: [PATCH 3/3] Move apache2-foreground command from ENTRYPOINT to CMD

---
 apache-Dockerfile-block-2 | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/apache-Dockerfile-block-2 b/apache-Dockerfile-block-2
index a75747db09..380763cc59 100644
--- a/apache-Dockerfile-block-2
+++ b/apache-Dockerfile-block-2
@@ -6,4 +6,7 @@ COPY apache2-foreground /usr/local/bin/
 WORKDIR /var/www/html
 
 EXPOSE 80
-ENTRYPOINT ["/docker-entrypoint.sh", "apache2-foreground"]
+
+ENTRYPOINT [ "/docker-entrypoint.sh" ]
+
+CMD [ "apache2-foreground" ]