From 33945303367244830fdd8d67d9987ad3721049ca Mon Sep 17 00:00:00 2001
From: "Suren A. Chilingaryan" <csa@suren.me>
Date: Fri, 16 Aug 2019 06:06:49 +0200
Subject: parametrization

---
 2.4/Dockerfile                   | 63 ++++++++++++++++++++++------------------
 2.4/conf/conf-available/pid.conf |  1 -
 2.4/docker-entrypoint.sh         |  2 +-
 3 files changed, 36 insertions(+), 30 deletions(-)
 delete mode 100644 2.4/conf/conf-available/pid.conf

diff --git a/2.4/Dockerfile b/2.4/Dockerfile
index 52e7104..87a63d4 100644
--- a/2.4/Dockerfile
+++ b/2.4/Dockerfile
@@ -1,13 +1,26 @@
 FROM httpd:alpine
 
+ARG ENABLE_PROXY=0
+ARG ENABLE_DAV=0
+ARG ENABLE_PHP5=0
+
+ARG EXTRA_PACKAGES=""
+ARG EXTRA_MODULES=""
+
 # These variables are inherited from the httpd:alpine image:
 # ENV HTTPD_PREFIX /usr/local/apache2
 # WORKDIR "$HTTPD_PREFIX"
 
+COPY conf/ conf/
+COPY docker-entrypoint.sh /usr/local/bin/docker-entrypoint.sh
+
 RUN set -ex; \
     # Install openssl if we need to generate a self-signed certificate.
-    apk add --no-cache openssl; \
-    apk add --no-cache apr-util-dbm_db; \
+    packages="${EXTRA_PACKAGES} openssl apr-util-dbm_db"; \
+    if [ ${ENABLE_PHP5} -ne 0 ]; then \
+        packages="$packages php5-apache2"; \
+    fi; \
+    apk add --no-cache $packages; \
     # Create empty default DocumentRoot.
     mkdir -p "/var/www/html"; \
     # Create directories for Dav data and lock database.
@@ -17,44 +30,38 @@ RUN set -ex; \
     sed -i -e "s|Listen .*|Listen 8080|" "conf/httpd.conf"; \
     # Configure file paths
     sed -i -e "s|PidFile .*|PidFile /tmp/apache.pid|" "conf/extra/httpd-mpm.conf"; \
-    # Enable DAV modules.
-    for i in dav dav_fs; do \
-        sed -i -e "/^#LoadModule ${i}_module.*/s/^#//" "conf/httpd.conf"; \
-    done; \
-    \
     # Make sure authentication modules are enabled.
-    for i in authn_core authn_file authz_core authz_user auth_basic auth_digest; do \
-        sed -i -e "/^#LoadModule ${i}_module.*/s/^#//" "conf/httpd.conf"; \
-    done; \
-    \
-    # Make sure other modules are enabled.
-    for i in alias headers mime setenvif; do \
+    modules="${EXTRA_MODULES} authn_core authn_file authz_core authz_user auth_basic auth_digest alias headers mime setenvif"; \
+    if [ ${ENABLE_PROXY} -ne 0 ]; then \
+        modules="$modules rewrite proxy proxy_http"; \
+    fi; \
+    if [ ${ENABLE_DAV} -ne 0 ]; then \
+        modules="$modules dav dav_fs"; \
+    fi; \
+    if [ ${ENABLE_PHP5} -ne 0 ]; then \
+        modules="$modules php5"; \
+    fi; \
+    for i in $modules; do \
         sed -i -e "/^#LoadModule ${i}_module.*/s/^#//" "conf/httpd.conf"; \
     done; \
     \
-    # Run httpd as "www-data" (instead of "daemon").
-    #for i in User Group; do \
-    #    sed -i -e "s|^$i .*|$i www-data|" "conf/httpd.conf"; \
-    #done; \
-    \
     # Include enabled configs and sites.
+    printf '%s\n' "PidFile /tmp/httpd.pid" \
+        >> "conf/httpd.conf"; \
     printf '%s\n' "Include conf/conf-enabled/*.conf" \
         >> "conf/httpd.conf"; \
     printf '%s\n' "Include conf/sites-enabled/*.conf" \
-        >> "conf/httpd.conf"
-
-COPY conf/ conf/
-
-RUN set -ex; \
-    # Enable dav and default site.
+        >> "conf/httpd.conf"; \
+    # Enable module configuration and default site.
     mkdir -p "conf/conf-enabled"; \
     mkdir -p "conf/sites-enabled"; \
-    ln -s ../conf-available/dav.conf "conf/conf-enabled"; \
-    ln -s ../conf-available/pid.conf "conf/conf-enabled"; \
+    for i in $modules; do \
+        if [ -f ../conf-available/${i}.conf ]; then \
+            ln -s ../conf-available/${i}.conf "conf/conf-enabled"; \
+        fi; \
+    done; \
     ln -s ../sites-available/default.conf "conf/sites-enabled"
 
-COPY docker-entrypoint.sh /usr/local/bin/docker-entrypoint.sh
-
 EXPOSE 8080/tcp 8043/tcp
 ENTRYPOINT [ "docker-entrypoint.sh" ]
 CMD [ "httpd-foreground" ]
diff --git a/2.4/conf/conf-available/pid.conf b/2.4/conf/conf-available/pid.conf
deleted file mode 100644
index f88307b..0000000
--- a/2.4/conf/conf-available/pid.conf
+++ /dev/null
@@ -1 +0,0 @@
-PidFile "/tmp/httpd.pid"
diff --git a/2.4/docker-entrypoint.sh b/2.4/docker-entrypoint.sh
index ca3048d..cab689a 100755
--- a/2.4/docker-entrypoint.sh
+++ b/2.4/docker-entrypoint.sh
@@ -100,6 +100,6 @@ fi
 
 # Create directories for Dav data and lock database.
 [ ! -d "/var/lib/dav/data" ] && mkdir -p "/var/lib/dav/data"
-[ ! -e "/var/lib/dav/DavLock" ] && touch "/tmp/DavLock"
+[ ! -e "/tmp/DavLock" ] && touch "/tmp/DavLock"
 
 exec "$@"
-- 
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