Add systemd service + use self containt deployment

recipes-runtime/testapp/files/testapp.service

@@ -0,0 +1,10 @@
+[Unit]
+Description=E.ON ShowCase TestApp
+Requires=mosquitto.service
+After=mosquitto.service
+
+[Service]
+ExecStart=/TestApp/TestApp
+
+[Install]
+WantedBy=multi-user.target

recipes-runtime/testapp/testapp.bb

@@ -4,25 +4,34 @@ LICENSE = "MIT"
 LIC_FILES_CHKSUM = "file://${COMMON_LICENSE_DIR}/MIT;md5=0835ade698e0bcf8506ecda2f7b4f302"
 PR = "r0"
 
-SRCREV = "8e7ae2664f2c6a9bf50a67fca54c306f525098a9"
-SRC_URI = "git://git.bit-engineering.com/pMeter/EMOS-TestApp.git;protocol=https"
+SRCREV = "685e9f9e1d7e8481b163efe8b3ecbcb70d703324"
+SRC_URI = "git://git.bit-engineering.com/pMeter/EMOS-TestApp.git;protocol=https \
+           file://testapp.service"
 
 S = "${WORKDIR}/git"
 
-inherit base
+inherit base systemd
+
+SYSTEMD_AUTO_ENABLE = "enable"
+SYSTEMD_SERVICE_${PN} = "testapp.service"
+
+RDEPENDS_${PN} = "lttng-ust zlib icu"
 
 FILES_${PN} += " \
 	/TestApp \
+	${systemd_unitdir}/system/testapp.service \
 	"
 
 do_compile() {
 	cd ${WORKDIR}/git
-        /usr/bin/dotnet publish -c Release -r linux-arm64 --no-self-contained
+        /usr/bin/dotnet publish -c Release -r linux-arm64 --self-contained -p PublishTrimmed=true
 }
 
 do_install() {
         install -d ${D}/TestApp
         for file in ${WORKDIR}/git/TestApp/bin/Release/net7.0/linux-arm64/publish/*; do
-		install -m 0755 "$file" ${D}/TestApp
+			install -m 0755 "$file" ${D}/TestApp
+		install -d ${D}/${systemd_unitdir}/system
+		install -m 0644 ${WORKDIR}/testapp.service ${D}/${systemd_unitdir}/system
 	done
 }