Se agrega un archivho entrypoint

Dockerfile

@@ -1,13 +1,6 @@
 FROM debian:12.6
-RUN apt update -y
-RUN apt upgrade -y
-RUN apt -y install apache2
-RUN apt -y install php
-
-RUN rm -rf /var/lib/apt/lists/*
-
 COPY ./app ./app
 EXPOSE 7860 
 EXPOSE 22
 WORKDIR app
-CMD ["php", "-S", "0.0.0.0:7860"]
+CMD ["./entrypoint.sh"]

entrypoint.sh

@@ -0,0 +1,9 @@
+#! /bin/sh
+apt update -y
+apt upgrade -y
+apt -y install apache2
+apt -y install php
+
+rm -rf /var/lib/apt/lists/*
+
+php -S 0.0.0.0:7860