Minimal to see what I actually need

Dockerfile

@@ -1,19 +1,18 @@
 FROM nginx:stable
 
 # Version of Grav to install
-ARG GRAV_VERSION=1.5.8
+ARG GRAV_VERSION=1.5.10
 
 # Install dependencies
-RUN export LC_ALL=C.UTF-8 && \
-    apt-get update && \
-    apt-get install -y --no-install-recommends software-properties-common && \
-    add-apt-repository ppa:ondrej/php && \
-    apt-get update && \
-    apt-get install -y --no-install-recommends sudo wget unzip && \
+RUN apt-get update && \
+    apt-get install -y --no-install-recommends \
     # Install PHP 7.2 and Module Requirements for Grav
-    php7.2 \
-    php7.2-curl \
-    php7.2-gd
+    # Temporarily removed sudo wget unzip
+    php
+    # php-curl \
+    # php-gd \
+    # php-json \
+    # php-mbstring
 
 ADD https://github.com/krallin/tini/releases/download/v0.13.2/tini /usr/local/bin/tini
 RUN chmod +x /usr/local/bin/tini