diff --git a/2.5/alpine/Dockerfile b/2.5/alpine/Dockerfile
index 2a40073..ad3a2c2 100644
--- a/2.5/alpine/Dockerfile
+++ b/2.5/alpine/Dockerfile
@@ -56,4 +56,8 @@ EXPOSE 2019
 
 WORKDIR /srv
 
+COPY entrypoint.sh /bin/entrypoint.sh
+
+ENTRYPOINT [ "entrypoint.sh" ]
+
 CMD ["caddy", "run", "--config", "/etc/caddy/Caddyfile", "--adapter", "caddyfile"]
diff --git a/2.5/alpine/entrypoint.sh b/2.5/alpine/entrypoint.sh
new file mode 100755
index 0000000..85e58c2
--- /dev/null
+++ b/2.5/alpine/entrypoint.sh
@@ -0,0 +1,13 @@
+#!/bin/sh
+set -e
+
+# Check if Caddyfile config is passed via $CADDYFILE
+if [[ "$CADDYFILE" ]]; then
+    echo 'Storing $CADDYFILE variable to ./Caddyfile'
+    printf "$CADDYFILE" > Caddyfile # echo doesn't preserve newlines
+fi
+
+# Running passed command
+if [[ "$1" ]]; then
+    exec "$@"
+fi