Add dockerfile

Dockerfile

@@ -0,0 +1,14 @@
+FROM eclipse-temurin:17-alpine
+COPY ./build/libs/energy-label-service-SNAPSHOT.jar app.jar
+
+RUN apk update && apk upgrade && rm -rf /var/cache/apk/*
+
+ENV TZONE="Europe/London"
+RUN apk add --update tzdata \
+&& echo "${TZONE}" > /etc/timezone \
+&& ln -sf /usr/share/zoneinfo/${TZONE} /etc/localtime
+
+RUN adduser -S elg
+USER elg
+
+ENTRYPOINT exec java $JAVA_OPTS -jar app.jar