Fix linting; add dependabot

.github/dependabot.yaml

@@ -0,0 +1,22 @@
+---
+
+version: 2
+
+updates:
+  # Maintain dependencies for Docker
+  - package-ecosystem: "docker"
+    directory: "/"
+    schedule:
+      interval: daily
+      time: "00:00"
+      timezone: "Etc/UTC"
+    assignees:
+      - "mikenye"
+
+  # Maintain dependencies for GitHub Actions
+  - package-ecosystem: "github-actions"
+    directory: "/"
+    schedule:
+      interval: "daily"
+    assignees:
+      - "mikenye"

Dockerfile

@@ -67,10 +67,10 @@ RUN set -x && \
     echo "fr_FR ISO-8859-1" >> /etc/locale.gen && \
     locale-gen && \
     echo "========== Deploy php ==========" && \
-    apt install software-properties-common ca-certificates lsb-release apt-transport-https -y && \
+    apt-get install software-properties-common ca-certificates lsb-release apt-transport-https -y && \
     sh -c 'echo "deb https://packages.sury.org/php/ $(lsb_release -sc) main" > /etc/apt/sources.list.d/php.list' && \
     wget -qO - https://packages.sury.org/php/apt.gpg | apt-key add - && \
-    apt update -y && \
+    apt-get update -y && \
     apt-get install -y --no-install-recommends \
     php7.4 \
     php7.4-curl \