Change container base image to cgr.dev/chainguard/static (#2881)

* Change container base image to cgr.dev/chainguard/static
* Lint fixes
* fix test failure
* Add router deployment wait
* add check command in upgrade script

---------

Signed-off-by: Sanket Sudake <sanketsudake@gmail.com>

cmd/builder/Dockerfile

@@ -1,4 +1,3 @@
-FROM alpine:3.18
-RUN apk add --update ca-certificates
+FROM cgr.dev/chainguard/static:latest
 COPY builder /builder
 ENTRYPOINT ["/builder"]

cmd/fetcher/Dockerfile

@@ -1,4 +1,3 @@
-FROM alpine:3.18
-RUN apk add --update ca-certificates
+FROM cgr.dev/chainguard/static:latest
 COPY fetcher /
 ENTRYPOINT ["/fetcher"]

cmd/fission-bundle/Dockerfile

@@ -1,4 +1,3 @@
-FROM alpine:3.18
-RUN apk add --update ca-certificates
+FROM cgr.dev/chainguard/static:latest
 COPY fission-bundle /
 ENTRYPOINT ["/fission-bundle"]

cmd/preupgradechecks/Dockerfile

@@ -1,4 +1,3 @@
-FROM alpine:3.18
-RUN apk add --update ca-certificates
+FROM cgr.dev/chainguard/static:latest
 COPY pre-upgrade-checks /
 ENTRYPOINT ["/pre-upgrade-checks"]

cmd/reporter/Dockerfile

@@ -1,4 +1,3 @@
-FROM alpine:3.18
-RUN apk add --update ca-certificates
+FROM cgr.dev/chainguard/static:latest
 COPY reporter /
-ENTRYPOINT ["/reporter"]
+ENTRYPOINT ["/reporter"]