Re-order layers so we can cache tini

Signed-off-by: Sam Barker <sam@quadrocket.co.uk>

Author: SamBarker

Dockerfile.operator

@@ -11,8 +11,6 @@ ARG TARGETARCH
 
 USER root
 WORKDIR /opt/kroxylicious
-COPY . .
-RUN mvn -q -B clean package -Pdist -Dquick
 
 # Download Tini
 ENV TINI_VERSION=v0.19.0
@@ -39,6 +37,9 @@ RUN set -ex; \
     fi; \
     chmod +x ${TINI_DEST}
 
+COPY . .
+RUN mvn -q -B clean package -Pdist -Dquick
+
 FROM registry.access.redhat.com/ubi9/ubi-minimal:9.2
 
 ARG JAVA_VERSION=17
@@ -64,4 +65,4 @@ COPY --from=builder /opt/kroxylicious/kroxylicious-operator/target/kroxylicious-
 
 USER ${CONTAINER_USER_UID}
 
-ENTRYPOINT ["/usr/bin/tini", "--", "/opt/kroxylicious-operator/bin/operator-start.sh" ]
+ENTRYPOINT ["/usr/bin/tini", "--", "/opt/kroxylicious-operator/bin/operator-start.sh" ]