Improvements and Examples

- Adding `sendmail` feature to `apache` and `fpm`
- Adding section `.examples/dockerfiles`
- Adding section `.examples/dockerfiles/cron` to combine app & external cron-jobs
- Adding section `.examples/dockerfiles/smtp` for further SMTP-settings

develop/apache/Dockerfile

@@ -13,6 +13,8 @@ RUN set -ex; \
         bzip2 \
         busybox-static \
         git \
+# For mail() support
+        sendmail \
     ; \
     rm -rf /var/lib/apt/lists/*; \
     \
@@ -93,6 +95,10 @@ RUN a2enmod rewrite remoteip ;\
     } > /etc/apache2/conf-available/remoteip.conf;\
     a2enconf remoteip
 
+RUN {\
+      echo sendmail_path = "/usr/sbin/sendmail -t -i" ;\
+    } > /usr/local/etc/php/conf.d/sendmail.ini;
+
 ENV FRIENDICA_VERSION develop
 ENV ADDONS_VERSION develop
 

develop/apache/bin/friendica

@@ -30,6 +30,9 @@ clone_develop() {
 
   echo "Cloning Friendica '${friendica}' with Addons '${addons}' into '${dir}'"
 
+  # Removing the whole directory first
+  rm -fr ${dir}/friendica
+
   git clone -b ${friendica} https://github.com/friendica/friendica ${dir}/friendica
   chmod 777 ${dir}/friendica/view/smarty3
   mkdir ${dir}/friendica/addon
@@ -139,6 +142,20 @@ update() {
   console "dbstructure update"
 }
 
+sendmail() {
+  if [ ! -f /etc/init.d/sendmail ]; then
+    # If sendmail isn't installed, exit this method
+    return
+  fi
+
+  line=$(head -n 1 /etc/hosts)
+  line2=$(echo $line | awk '{print $2}')
+  echo "$line $line2.localdomain" >> /etc/hosts
+
+  echo "Starting sendmail for Mail-Support"
+  /etc/init.d/sendmail start
+}
+
 if [ $# -eq 0 ]; then
   friendica_help
 fi
@@ -148,5 +165,6 @@ case "$1" in
   update) shift; update "$@" ;;
   console) shift; console "$@" ;;
   composer) shift; composer "$@" ;;
+  sendmail) shift; sendmail "$@" ;;
   *) friendica_help ;;
 esac

develop/apache/cron.sh

@@ -1,4 +1,4 @@
 #!/bin/sh
 set -eu
 
-exec busybox crond -f -l 0 -L /dev/stdout
+exec busybox crond -f -l 0 -L /dev/stdout

develop/apache/entrypoint.sh

@@ -3,5 +3,6 @@ set -eu
 
 # Check if Friendica needs to get installed
 friendica install
+friendica sendmail
 
-exec "$@"
+exec "$@"