Add cron optimized image

.github/workflows/image.yml

@@ -43,8 +43,13 @@ jobs:
           repo-token: ${{ secrets.GITHUB_TOKEN }}
           wait-interval: 20
       -
-        name: Build and push
+        name: Build and push WordPress Web image
         uses: docker/bake-action@v5.10.0
         with:
           files: build/docker-bake.hcl
           push: true
+      - name: Build and push WordPress Cron image
+        uses: docker/bake-action@v5.10.0
+        with:
+          files: build/docker-bake-cron.hcl
+          push: true

Dockerfile.cron

@@ -0,0 +1,12 @@
+ARG WP_VERSION=6.1.0
+FROM ghcr.io/n0rthernl1ghts/wordpress:${WP_VERSION}
+
+# Disable all s6 services except for svc-crond and init-wpconfig-verify
+RUN set -eux \
+    && bash -c "rm -rf /etc/s6-overlay/s6-rc.d/{svc-unitd,init-unitd-configure,init-verify-wordpress,init-install-wordpress,init-install-resources,init-webuser-permissions,init-wpcontent} \
+             && rm -rf /etc/s6-overlay/s6-rc.d/user/contents.d/{svc-unitd,init-unitd-configure,init-verify-wordpress,init-install-wordpress,init-install-resources,init-webuser-permissions,init-wpcontent} \
+             && rm -rf /etc/s6-overlay/s6-rc.d/svc-crond/dependencies.d/{init-install-wordpress,svc-unitd}"
+
+
+ENV CRON_ENABLED=true
+

build/docker-bake-cron.hcl

@@ -0,0 +1,231 @@
+group "default" {
+  targets = [
+    "6_2_0",
+    "6_2_1",
+    "6_2_2",
+    "6_3_0",
+    "6_3_1",
+    "6_3_2",
+    "6_4_0",
+    "6_4_1",
+    "6_4_2",
+    "6_4_3",
+    "6_5_0",
+    "6_5_2",
+    "6_5_3",
+    "6_5_4",
+    "6_5_5",
+    "6_6_0",
+    "6_6_1",
+    "6_6_2"
+  ]
+}
+
+target "build-dockerfile" {
+  dockerfile = "Dockerfile.cron"
+}
+
+target "build-platforms" {
+  platforms = ["linux/amd64", "linux/aarch64"]
+}
+
+target "build-common" {
+  pull = true
+}
+
+variable "REGISTRY_CACHE" {
+  default = "ghcr.io/n0rthernl1ghts/wordpress-cron-cache"
+}
+
+######################
+# Define the functions
+######################
+
+# Get the arguments for the build
+function "get-args" {
+  params = [version]
+  result = {
+    WP_VERSION = version
+  }
+}
+
+# Get the cache-from configuration
+function "get-cache-from" {
+  params = [version]
+  result = [
+    "type=registry,ref=${REGISTRY_CACHE}:${sha1("${version}-${BAKE_LOCAL_PLATFORM}")}"
+  ]
+}
+
+# Get the cache-to configuration
+function "get-cache-to" {
+  params = [version]
+  result = [
+    "type=registry,mode=max,ref=${REGISTRY_CACHE}:${sha1("${version}-${BAKE_LOCAL_PLATFORM}")}"
+  ]
+}
+
+# Get list of image tags and registries
+# Takes a version and a list of extra versions to tag
+# eg. get-tags("6.2.0", ["6", "6.2", "latest"])
+function "get-tags" {
+  params = [version, extra_versions]
+  result = concat(
+    [
+      "ghcr.io/n0rthernl1ghts/wordpress-cron:${version}"
+    ],
+    flatten([
+      for extra_version in extra_versions : [
+        "ghcr.io/n0rthernl1ghts/wordpress-cron:${extra_version}"
+      ]
+    ])
+  )
+}
+
+##########################
+# Define the build targets
+##########################
+
+target "6_2_0" {
+  inherits   = ["build-dockerfile", "build-platforms", "build-common"]
+  cache-from = get-cache-from("6.2.0")
+  cache-to   = get-cache-to("6.2.0")
+  tags       = get-tags("6.2.0", [])
+  args       = get-args("6.2.0")
+}
+
+target "6_2_1" {
+  inherits   = ["build-dockerfile", "build-platforms", "build-common"]
+  cache-from = get-cache-from("6.2.1")
+  cache-to   = get-cache-to("6.2.1")
+  tags       = get-tags("6.2.1", [])
+  args       = get-args("6.2.1")
+}
+
+target "6_2_2" {
+  inherits   = ["build-dockerfile", "build-platforms", "build-common"]
+  cache-from = get-cache-from("6.2.2")
+  cache-to   = get-cache-to("6.2.2")
+  tags       = get-tags("6.2.2", ["6.2"])
+  args       = get-args("6.2.2")
+}
+
+target "6_3_0" {
+  inherits   = ["build-dockerfile", "build-platforms", "build-common"]
+  cache-from = get-cache-from("6.3.0")
+  cache-to   = get-cache-to("6.3.0")
+  tags       = get-tags("6.3.0", [])
+  args       = get-args("6.3.0")
+}
+
+target "6_3_1" {
+  inherits   = ["build-dockerfile", "build-platforms", "build-common"]
+  cache-from = get-cache-from("6.3.1")
+  cache-to   = get-cache-to("6.3.1")
+  tags       = get-tags("6.3.1", [])
+  args       = get-args("6.3.1")
+}
+
+target "6_3_2" {
+  inherits   = ["build-dockerfile", "build-platforms", "build-common"]
+  cache-from = get-cache-from("6.3.2")
+  cache-to   = get-cache-to("6.3.2")
+  tags       = get-tags("6.3.2", [])
+  args       = get-args("6.3.2")
+}
+
+target "6_4_0" {
+  inherits   = ["build-dockerfile", "build-platforms", "build-common"]
+  cache-from = get-cache-from("6.4.0")
+  cache-to   = get-cache-to("6.4.0")
+  tags       = get-tags("6.4.0", [])
+  args       = get-args("6.4.0")
+}
+
+target "6_4_1" {
+  inherits   = ["build-dockerfile", "build-platforms", "build-common"]
+  cache-from = get-cache-from("6.4.1")
+  cache-to   = get-cache-to("6.4.1")
+  tags       = get-tags("6.4.1", [])
+  args       = get-args("6.4.1")
+}
+
+target "6_4_2" {
+  inherits   = ["build-dockerfile", "build-platforms", "build-common"]
+  cache-from = get-cache-from("6.4.2")
+  cache-to   = get-cache-to("6.4.2")
+  tags       = get-tags("6.4.2", [])
+  args       = get-args("6.4.2")
+}
+
+target "6_4_3" {
+  inherits   = ["build-dockerfile", "build-platforms", "build-common"]
+  cache-from = get-cache-from("6.4.3")
+  cache-to   = get-cache-to("6.4.3")
+  tags       = get-tags("6.4.3", ["6.4"])
+  args       = get-args("6.4.3")
+}
+
+target "6_5_0" {
+  inherits   = ["build-dockerfile", "build-platforms", "build-common"]
+  cache-from = get-cache-from("6.5.0")
+  cache-to   = get-cache-to("6.5.0")
+  tags       = get-tags("6.5.0", [])
+  args       = get-args("6.5.0")
+}
+
+target "6_5_2" {
+  inherits   = ["build-dockerfile", "build-platforms", "build-common"]
+  cache-from = get-cache-from("6.5.2")
+  cache-to   = get-cache-to("6.5.2")
+  tags       = get-tags("6.5.2", [])
+  args       = get-args("6.5.2")
+}
+
+target "6_5_3" {
+  inherits   = ["build-dockerfile", "build-platforms", "build-common"]
+  cache-from = get-cache-from("6.5.3")
+  cache-to   = get-cache-to("6.5.3")
+  tags       = get-tags("6.5.3", [])
+  args       = get-args("6.5.3")
+}
+
+target "6_5_4" {
+  inherits   = ["build-dockerfile", "build-platforms", "build-common"]
+  cache-from = get-cache-from("6.5.4")
+  cache-to   = get-cache-to("6.5.4")
+  tags       = get-tags("6.5.4", [])
+  args       = get-args("6.5.4")
+}
+
+target "6_5_5" {
+  inherits   = ["build-dockerfile", "build-platforms", "build-common"]
+  cache-from = get-cache-from("6.5.5")
+  cache-to   = get-cache-to("6.5.5")
+  tags       = get-tags("6.5.5", ["6.5"])
+  args       = get-args("6.5.5")
+}
+
+target "6_6_0" {
+  inherits   = ["build-dockerfile", "build-platforms", "build-common"]
+  cache-from = get-cache-from("6.6.0")
+  cache-to   = get-cache-to("6.6.0")
+  tags       = get-tags("6.6.0", [])
+  args       = get-args("6.6.0")
+}
+
+target "6_6_1" {
+  inherits   = ["build-dockerfile", "build-platforms", "build-common"]
+  cache-from = get-cache-from("6.6.1")
+  cache-to   = get-cache-to("6.6.1")
+  tags       = get-tags("6.6.1", [])
+  args       = get-args("6.6.1")
+}
+
+target "6_6_2" {
+  inherits   = ["build-dockerfile", "build-platforms", "build-common"]
+  cache-from = get-cache-from("6.6.2")
+  cache-to   = get-cache-to("6.6.2")
+  tags       = get-tags("6.6.2", ["6", "6.6", "latest"])
+  args       = get-args("6.6.2")
+}

docker-compose.yml

@@ -113,12 +113,11 @@ services:
   cron:
     extends:
       service: wordpress
+    image: ghcr.io/n0rthernl1ghts/wordpress-cron:6.6.2
     deploy:
       resources:
         limits:
           memory: 512M # Limit the memory for the cron job to 512 MB. This is a good practice to avoid memory leaks.
-    environment:
-      CRON_ENABLED: "true"
 
   # Redis is optional, but it works really well for caching. If removed, please update x-wordpress-configuration-env
   cache: