readme update and hadolint

Dockerfile

@@ -2,6 +2,7 @@ FROM jlesage/baseimage-gui:debian-11-v4.5.3
 
 SHELL ["/bin/bash", "-o", "pipefail", "-c"]
 
+# hadolint ignore=DL3008
 RUN set -x && \
     TEMP_PACKAGES=() && \
     KEPT_PACKAGES=() && \
@@ -46,8 +47,8 @@ RUN set -x && \
 
     apt-get update && \
     apt-get install -y --no-install-recommends \
-        ${KEPT_PACKAGES[@]} \
-        ${TEMP_PACKAGES[@]} \
+        "${KEPT_PACKAGES[@]}" \
+        "${TEMP_PACKAGES[@]}" \
         && \
 
     # RTLSDR - Clone and build
@@ -84,9 +85,6 @@ RUN set -x && \
 
     set-cont-env APP_NAME "SDRReceiver"
 
-ENV DISPLAY_WIDTH=1280 \
-    DISPLAY_HEIGHT=720
-
 EXPOSE 5800 5900 6003
 
 COPY rootfs/ /

README.md

@@ -4,7 +4,7 @@ Docker container for [SDRReceiver](https://github.com/jeroenbeijer/SDRReceiver).
 
 ---
 
-This container is based on the absolutely fantastic [jlesage/baseimage-gui](https://hub.docker.com/r/jlesage/baseimage-gui). All the hard work has been done by them, for advanced usage I suggest you check out the [README](https://github.com/jlesage/docker-baseimage-gui/blob/master/README.md) from [jlesage/baseimage-gui](https://hub.docker.com/r/jlesage/baseimage-gui).
+This container is based on the absolutely fantastic [jlesage/baseimage-gui](https://github.com/jlesage/docker-baseimage-gui). All the hard work has been done by them, for advanced usage I suggest you check out the [README](https://github.com/jlesage/docker-baseimage-gui/blob/master/README.md) from [jlesage/baseimage-gui](https://github.com/jlesage/docker-baseimage-gui).
 
 ---
 

rootfs/etc/cont-init.d/50-create-config

@@ -1,3 +1,3 @@
 #!/bin/bash
 
-touch /${CONFIG_FILE}
+touch /"${CONFIG_FILE}"

rootfs/startapp.sh

@@ -2,7 +2,7 @@
 
 export HOME=/config
 
-/opt/SDRReceiver/bin/SDRReceiver -s /${CONFIG_FILE} | stdbuf -o0 awk '{print "[SDRReceiver] " strftime("%Y/%m/%d %H:%M:%S", systime()) " " $0}'
+exec /opt/SDRReceiver/bin/SDRReceiver -s /"${CONFIG_FILE}"
 
 sleep 10