Use dhi.io base images

.github/workflows/publish-containers.yml

@@ -1,9 +1,11 @@
 name: Publish Containers
-on: 
+on:
   push:
     branches:
       - main
   pull_request:
+  schedule:
+    - cron: "0 0 * * 0"
 
 jobs:
   publish-backend:
@@ -28,6 +30,14 @@ jobs:
             TAGS="$TAGS,${IMAGE_NAME}:latest"
           fi
           echo ::set-output name=tags::${TAGS}
+
+      - name: Login to Docker Hub
+        uses: docker/login-action@v3
+        with:
+          registry: dhi.io
+          username: ${{ secrets.DOCKER_USER }}
+          password: ${{ secrets.DOCKER_TOKEN }}
+
       - name: Set up Docker Buildx
         uses: docker/setup-buildx-action@v3
 
@@ -68,6 +78,7 @@ jobs:
             TAGS="$TAGS,${IMAGE_NAME}:latest"
           fi
           echo ::set-output name=tags::${TAGS}
+
       - name: Set up Docker Buildx
         uses: docker/setup-buildx-action@v3
 

Dockerfile

@@ -1,4 +1,4 @@
-FROM node:20.2.0-alpine3.16 as builder
+FROM dhi.io/node:25-debian13-dev as builder
 
 WORKDIR /app
 
@@ -10,11 +10,10 @@ COPY . .
 
 RUN npm run build
 
-FROM caddy:2.10.2-alpine as runtime
+FROM dhi.io/caddy:2 as runtime
 
 WORKDIR /my-site
 
 COPY --from=builder /app/dist ./
 
 COPY Caddyfile /etc/caddy/Caddyfile
-

backend/Dockerfile

@@ -1,5 +1,4 @@
-# syntax=docker/dockerfile:1.21
-FROM cgr.dev/chainguard/go:latest AS build
+FROM dhi.io/golang:1.26-debian13-dev AS build
 
 WORKDIR /src
 
@@ -7,7 +6,7 @@ COPY . /src
 
 RUN CGO_ENABLED=0 go build -o backend .
 
-FROM cgr.dev/chainguard/static:latest
+FROM dhi.io/static:20251003-musl-alpine3.23
 
 COPY --from=build /src/backend /backend