Remove unsupported architectures

.github/workflows/ci.yml

@@ -172,7 +172,7 @@ jobs:
       fail-fast: false
       matrix:
         image: [ngf, nginx]
-        platforms: ["linux/arm64, linux/amd64, linux/s390x, linux/ppc64le"]
+        platforms: ["linux/arm64, linux/amd64"]
     uses: ./.github/workflows/build.yml
     with:
       image: ${{ matrix.image }}

.goreleaser.yml

@@ -8,8 +8,6 @@ builds:
     goarch:
       - amd64
       - arm64
-      - s390x
-      - ppc64le
     flags:
       - -trimpath
     gcflags:

build/Dockerfile.nginx

@@ -1,18 +1,11 @@
 # syntax=docker/dockerfile:1.6
-FROM scratch as nginx-files
-
-# the following links can be replaced with local files if needed, i.e. ADD --chown=101:1001 <local_file> <container_file>
-ADD --link --chown=101:1001 https://cs.nginx.com/static/keys/nginx_signing.rsa.pub nginx_signing.rsa.pub
-
-FROM nginx:1.25.5-alpine
+FROM nginx:1.25.5-alpine-otel
 
 ARG NJS_DIR
 ARG NGINX_CONF_DIR
 ARG BUILD_AGENT
 
-RUN --mount=type=bind,from=nginx-files,src=nginx_signing.rsa.pub,target=/etc/apk/keys/nginx_signing.rsa.pub \
-    printf "%s\n" "http://nginx.org/packages/mainline/alpine/v$(egrep -o '^[0-9]+\.[0-9]+' /etc/alpine-release)/main" >> /etc/apk/repositories \
-    && apk add --no-cache libcap nginx-module-otel \
+RUN apk add --no-cache libcap \
     && mkdir -p /var/lib/nginx /usr/lib/nginx/modules \
     && setcap 'cap_net_bind_service=+ep' /usr/sbin/nginx \
     && setcap -v 'cap_net_bind_service=+ep' /usr/sbin/nginx \