diff --git a/.github/actions/run-in-docker-action/action.yml b/.github/actions/run-in-docker-action/action.yml
index 74933686a0..68c16ad0a1 100644
--- a/.github/actions/run-in-docker-action/action.yml
+++ b/.github/actions/run-in-docker-action/action.yml
@@ -3,10 +3,8 @@ description: 'Run a command in a Docker container, while passing explicitly set
 inputs:
   dockerfile:
     description: 'A Dockerfile that defines an image'
-    required: true
-  tag:
-    description: 'A tag of an image'
-    required: true
+    required: false
+    default: ./ci/linux-debian.Dockerfile
   command:
     description: 'A command to run in a container'
     required: false
@@ -16,25 +14,23 @@ runs:
   steps:
     - uses: docker/setup-buildx-action@v3
 
-    - uses: docker/build-push-action@v5
+    - uses: docker/build-push-action@v6
       id: main_builder
       continue-on-error: true
       with:
         context: .
         file: ${{ inputs.dockerfile }}
-        tags: ${{ inputs.tag }}
         load: true
-        cache-from: type=gha
+        cache-from: type=gha,scope=${{ runner.arch }}
 
-    - uses: docker/build-push-action@v5
+    - uses: docker/build-push-action@v6
       id: retry_builder
       if: steps.main_builder.outcome == 'failure'
       with:
         context: .
         file: ${{ inputs.dockerfile }}
-        tags: ${{ inputs.tag }}
         load: true
-        cache-from: type=gha
+        cache-from: type=gha,scope=${{ runner.arch }}
 
     - # Workaround for https://github.com/google/sanitizers/issues/1614 .
       # The underlying issue has been fixed in clang 18.1.3.
@@ -47,7 +43,8 @@ runs:
           $(echo '${{ toJSON(env) }}' | jq -r 'keys[] | "--env \(.) "') \
           --volume ${{ github.workspace }}:${{ github.workspace }} \
           --workdir ${{ github.workspace }} \
-          ${{ inputs.tag }} bash -c "
+          $(docker images -q | head -n1) \
+          bash -c "
             git config --global --add safe.directory ${{ github.workspace }}
             ${{ inputs.command }}
           "
diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 9783251d65..47d3321062 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -67,12 +67,11 @@ jobs:
             network=host
 
       - name: Build container
-        uses: docker/build-push-action@v5
+        uses: docker/build-push-action@v6
         with:
           file: ./ci/linux-debian.Dockerfile
-          tags: ${{ matrix.arch }}-debian-image
-          cache-from: type=gha
-          cache-to: type=gha,mode=min
+          cache-from: type=gha,scope=${{ runner.arch }}
+          cache-to: type=gha,scope=${{ runner.arch }},mode=min
 
   x86_64-debian:
     name: "x86_64: Linux (Debian stable)"
@@ -114,9 +113,6 @@ jobs:
       - name: CI script
         env: ${{ matrix.configuration.env_vars }}
         uses: ./.github/actions/run-in-docker-action
-        with:
-          dockerfile: ./ci/linux-debian.Dockerfile
-          tag: x64-debian-image
 
       - name: Print logs
         uses: ./.github/actions/print-logs
@@ -150,9 +146,6 @@ jobs:
 
       - name: CI script
         uses: ./.github/actions/run-in-docker-action
-        with:
-          dockerfile: ./ci/linux-debian.Dockerfile
-          tag: x64-debian-image
 
       - name: Print logs
         uses: ./.github/actions/print-logs
@@ -182,9 +175,6 @@ jobs:
 
       - name: CI script
         uses: ./.github/actions/run-in-docker-action
-        with:
-          dockerfile: ./ci/linux-debian.Dockerfile
-          tag: x64-debian-image
 
       - name: Print logs
         uses: ./.github/actions/print-logs
@@ -223,9 +213,6 @@ jobs:
       - name: CI script
         env: ${{ matrix.configuration.env_vars }}
         uses: ./.github/actions/run-in-docker-action
-        with:
-          dockerfile: ./ci/linux-debian.Dockerfile
-          tag: x64-debian-image
 
       - name: Print logs
         uses: ./.github/actions/print-logs
@@ -263,9 +250,6 @@ jobs:
 
       - name: CI script
         uses: ./.github/actions/run-in-docker-action
-        with:
-          dockerfile: ./ci/linux-debian.Dockerfile
-          tag: arm64-debian-image
 
       - name: Print logs
         uses: ./.github/actions/print-logs
@@ -295,9 +279,6 @@ jobs:
 
       - name: CI script
         uses: ./.github/actions/run-in-docker-action
-        with:
-          dockerfile: ./ci/linux-debian.Dockerfile
-          tag: x64-debian-image
 
       - name: Print logs
         uses: ./.github/actions/print-logs
@@ -313,28 +294,22 @@ jobs:
       fail-fast: false
       matrix:
         include:
-          - docker_arch: x64
-            runner: ubuntu-latest
+          - runner: ubuntu-latest
             binary_arch: x64
             env_vars: { CC: 'clang',                                      ASM: 'auto' }
-          - docker_arch: x64
-            runner: ubuntu-latest
+          - runner: ubuntu-latest
             binary_arch: i686
             env_vars: { CC: 'i686-linux-gnu-gcc', HOST: 'i686-linux-gnu', ASM: 'auto' }
-          - docker_arch: arm64
-            runner: ubuntu-24.04-arm
+          - runner: ubuntu-24.04-arm
             binary_arch: arm64
             env_vars: { CC: 'clang',                                      ASM: 'auto' }
-          - docker_arch: x64
-            runner: ubuntu-latest
+          - runner: ubuntu-latest
             binary_arch: x64
             env_vars: { CC: 'clang',                                      ASM: 'no', ECMULTGENKB: 2, ECMULTWINDOW: 2 }
-          - docker_arch: x64
-            runner: ubuntu-latest
+          - runner: ubuntu-latest
             binary_arch: i686
             env_vars: { CC: 'i686-linux-gnu-gcc', HOST: 'i686-linux-gnu', ASM: 'no', ECMULTGENKB: 2, ECMULTWINDOW: 2 }
-          - docker_arch: arm64
-            runner: ubuntu-24.04-arm
+          - runner: ubuntu-24.04-arm
             binary_arch: arm64
             env_vars: { CC: 'clang',                                      ASM: 'no', ECMULTGENKB: 2, ECMULTWINDOW: 2 }
 
@@ -358,9 +333,6 @@ jobs:
       - name: CI script
         env: ${{ matrix.env_vars }}
         uses: ./.github/actions/run-in-docker-action
-        with:
-          dockerfile: ./ci/linux-debian.Dockerfile
-          tag: ${{ matrix.docker_arch }}-debian-image
 
       - name: Print logs
         uses: ./.github/actions/print-logs
@@ -402,9 +374,6 @@ jobs:
       - name: CI script
         env: ${{ matrix.configuration.env_vars }}
         uses: ./.github/actions/run-in-docker-action
-        with:
-          dockerfile: ./ci/linux-debian.Dockerfile
-          tag: x64-debian-image
 
       - name: Print logs
         uses: ./.github/actions/print-logs
@@ -453,9 +422,6 @@ jobs:
       - name: CI script
         env: ${{ matrix.configuration.env_vars }}
         uses: ./.github/actions/run-in-docker-action
-        with:
-          dockerfile: ./ci/linux-debian.Dockerfile
-          tag: x64-debian-image
 
       - name: Print logs
         uses: ./.github/actions/print-logs
@@ -496,9 +462,6 @@ jobs:
       - name: CI script
         env: ${{ matrix.configuration.env_vars }}
         uses: ./.github/actions/run-in-docker-action
-        with:
-          dockerfile: ./ci/linux-debian.Dockerfile
-          tag: x64-debian-image
 
       - name: Print logs
         uses: ./.github/actions/print-logs
@@ -712,9 +675,6 @@ jobs:
 
       - name: CI script
         uses: ./.github/actions/run-in-docker-action
-        with:
-          dockerfile: ./ci/linux-debian.Dockerfile
-          tag: x64-debian-image
 
       - name: Print logs
         uses: ./.github/actions/print-logs
@@ -732,8 +692,6 @@ jobs:
       - name: CI script
         uses: ./.github/actions/run-in-docker-action
         with:
-          dockerfile: ./ci/linux-debian.Dockerfile
-          tag: x64-debian-image
           command: |
             g++ -Werror include/*.h
             clang -Werror -x c++-header include/*.h
diff --git a/ci/linux-debian.Dockerfile b/ci/linux-debian.Dockerfile
index 8ced83f209..19717854ec 100644
--- a/ci/linux-debian.Dockerfile
+++ b/ci/linux-debian.Dockerfile
@@ -1,5 +1,7 @@
 FROM debian:stable-slim
 
+ENV DEBIAN_FRONTEND=noninteractive
+
 SHELL ["/bin/bash", "-c"]
 
 WORKDIR /root