Enhance custom-scripts (#671)

* feat: add custom scripts support in entrypoint.sh

* fix: update command in comment

* fix: remove comment

Dockerfile

@@ -8,6 +8,7 @@ RUN unzip mapstore.war -d mapstore
 FROM tomcat:9-jdk11-openjdk
 MAINTAINER geosolutions<[email protected]>
 
+RUN mkdir -p /docker-entrypoint.d
 # Tomcat specific options
 ENV CATALINA_BASE "$CATALINA_HOME"
 ENV JAVA_OPTS="${JAVA_OPTS}  -Xms512m -Xmx512m -XX:MaxPermSize=128m"

georchestra-docker-scripts/docker-entrypoint.sh

@@ -2,6 +2,15 @@
 
 DIR=/docker-entrypoint.d
 
+# Executing custom scripts located in CUSTOM_SCRIPTS_DIRECTORY if environment variable is set
+if [[ -z "${CUSTOM_SCRIPTS_DIRECTORY}" ]]; then
+  echo "[INFO] No CUSTOM_SCRIPTS_DIRECTORY env variable set"
+else
+  echo "[INFO] CUSTOM_SCRIPTS_DIRECTORY env variable set to ${CUSTOM_SCRIPTS_DIRECTORY}"
+  cp -v "${CUSTOM_SCRIPTS_DIRECTORY}"/* "$DIR"
+  echo "[INFO] End copying custom scripts"
+fi
+
 if [[ -d "$DIR" ]]
 then
   # Regex is needed to execute all kind of files, including sh files. Warning : --regex not available in alpine images.