New PACKAGES logic

gazpar2mqtt/Dockerfile

@@ -3,6 +3,9 @@ FROM yukulehe/gazpar2mqtt:latest
 # Base system
 ENV BASHIO_VERSION=0.14.3
 ENV TZ=Europe/Paris
+ENV PACKAGES="jq \
+    curl \
+    yamllint"
 
 # Copy root filesystem
 COPY rootfs /
@@ -13,10 +16,7 @@ RUN \
     ################
     apt-get clean \
     && apt-get update \
-    && apt-get install -y \
-    jq \
-    curl \
-    yamllint \
+    && apt-get install -y --no-install-recommends ${PACKAGES} \
     && apt-get clean \
     \
     ##################

gazpar2mqtt/rootfs/scripts/00-aaa_dockerfile_backup.sh

@@ -6,12 +6,12 @@ if [ ! -f "/usr/bin/bashio" ]; then
         ################
         # Install apps #
         ################
-        apt-get clean &&
-            apt-get update &&
-            apt-get install -y \
-        jq \
-        curl \
-        yamllint
+        PACKAGES="${PACKAGES:="curl"}"
+        
+        apt-get clean \
+        && apt-get update \
+        && apt-get install -y --no-install-recommends ${PACKAGES} 2>/dev/null \
+        || apk add --no-cache ${PACKAGES}
 
         ###################
         # Install bashio #
@@ -23,6 +23,7 @@ if [ ! -f "/usr/bin/bashio" ]; then
         mv /tmp/bashio/lib /usr/lib/bashio
         ln -s /usr/lib/bashio/bashio /usr/bin/bashio
         rm -rf /tmp/bashio
+
     ) >/dev/null
 
 fi