diff --git a/full/znc-build-modules.sh b/full/30-build-modules.sh
old mode 100755
new mode 100644
similarity index 85%
rename from full/znc-build-modules.sh
rename to full/30-build-modules.sh
index ea87d1b..cebead5
--- a/full/znc-build-modules.sh
+++ b/full/30-build-modules.sh
@@ -1,8 +1,7 @@
-#!/bin/sh
-
 # Build modules from source.
+
 if [ -d "${DATADIR}/modules" ]; then
-    cd "${DATADIR}/modules" || exit 11
+    pushd "${DATADIR}/modules" || exit 11
 
     # Find module sources.
     modules=$(find . -name "*.cpp")
@@ -12,5 +11,7 @@ if [ -d "${DATADIR}/modules" ]; then
         echo "Building modules $modules..."
         /opt/znc/bin/znc-buildmod $modules || exit 12
     fi
+
+    popd
 fi
 
diff --git a/full/Dockerfile b/full/Dockerfile
index 7f45ffb..ef594c0 100644
--- a/full/Dockerfile
+++ b/full/Dockerfile
@@ -8,4 +8,5 @@ RUN set -x \
         libressl-dev \
         perl \
         python3
-COPY znc-build-modules.sh /
+
+COPY 30-build-modules.sh /startup-sequence/
diff --git a/slim/00-try-sh.sh b/slim/00-try-sh.sh
new file mode 100644
index 0000000..6fef0ec
--- /dev/null
+++ b/slim/00-try-sh.sh
@@ -0,0 +1,6 @@
+# "docker run -ti znc sh" should work, according to
+# https://github.com/docker-library/official-images
+
+if [ "${1:0:1}" != '-' ]; then
+    exec "$@"
+fi
diff --git a/slim/01-options.sh b/slim/01-options.sh
new file mode 100644
index 0000000..a2b505e
--- /dev/null
+++ b/slim/01-options.sh
@@ -0,0 +1,3 @@
+# Might be overriden in some later file, when using "FROM znc"
+
+DATADIR="/znc-data"
diff --git a/slim/50-chown.sh b/slim/50-chown.sh
new file mode 100644
index 0000000..15b5206
--- /dev/null
+++ b/slim/50-chown.sh
@@ -0,0 +1,5 @@
+# Make sure $DATADIR is owned by znc user. This affects ownership of the
+# mounted directory on the host machine too.
+
+chown -R znc:znc "$DATADIR" || exit 1
+chmod 700 "$DATADIR" || exit 2
diff --git a/slim/99-launch.sh b/slim/99-launch.sh
new file mode 100644
index 0000000..e76c449
--- /dev/null
+++ b/slim/99-launch.sh
@@ -0,0 +1,5 @@
+# ZNC itself responds to SIGTERM, and reaps its children, but whatever was
+# started via *shell module is not guaranteed to reap their children.
+# That's why using tini.
+
+exec /sbin/tini -- su-exec znc:znc /opt/znc/bin/znc --foreground --datadir "$DATADIR" "$@"
diff --git a/slim/Dockerfile b/slim/Dockerfile
index 23b0581..4cd9b57 100644
--- a/slim/Dockerfile
+++ b/slim/Dockerfile
@@ -45,8 +45,12 @@ RUN set -x \
     && apk del build-dependencies \
     && cd / && rm -rf /znc-src
 
-COPY docker-entrypoint.sh /
+COPY entrypoint.sh /
+COPY 00-try-sh.sh /startup-sequence/
+COPY 01-options.sh /startup-sequence/
+COPY 50-chown.sh /startup-sequence/
+COPY 99-launch.sh /startup-sequence/
 
 VOLUME /znc-data
 
-ENTRYPOINT ["/docker-entrypoint.sh"]
+ENTRYPOINT ["/entrypoint.sh"]
diff --git a/slim/docker-entrypoint.sh b/slim/docker-entrypoint.sh
deleted file mode 100755
index ad0f581..0000000
--- a/slim/docker-entrypoint.sh
+++ /dev/null
@@ -1,27 +0,0 @@
-#!/bin/sh
-
-# "docker run -ti znc sh" should work, according to
-# https://github.com/docker-library/official-images
-if [ "${1:0:1}" != '-' ]; then
-    exec "$@"
-fi
-
-# Options.
-DATADIR="/znc-data"
-
-# This file is added by znc:full image
-if [ -r /znc-build-modules.sh ]; then
-    source /znc-build-modules.sh || exit 3
-fi
-
-cd /
-
-# Make sure $DATADIR is owned by znc user. This affects ownership of the
-# mounted directory on the host machine too.
-chown -R znc:znc "$DATADIR" || exit 1
-chmod 700 "$DATADIR" || exit 2
-
-# ZNC itself responds to SIGTERM, and reaps its children, but whatever was
-# started via *shell module is not guaranteed to reap their children.
-# That's why using tini.
-exec /sbin/tini -- su-exec znc:znc /opt/znc/bin/znc --foreground --datadir "$DATADIR" "$@"
diff --git a/slim/entrypoint.sh b/slim/entrypoint.sh
new file mode 100755
index 0000000..872111e
--- /dev/null
+++ b/slim/entrypoint.sh
@@ -0,0 +1,5 @@
+#!/bin/sh
+
+for f in /startup-sequence/*; do
+    source "$f" || exit 1
+done