Use buildx bake for parallel builds

.github/workflows/image.yml

@@ -32,4 +32,4 @@ jobs:
           username: ${{ secrets.DOCKER_USERNAME }}
           password: ${{ secrets.DOCKER_PASSWORD }}
       - name: Build image
-        run: build/bin/build "5.3.0 5.3.1 5.3.2 5.4.0 5.4.1 5.4.2 5.5.1 5.5.3 5.6.0 5.6.1 5.6.2 5.7.0 5.7.1 5.7.2 5.8.0 5.8.1" "5.8.1"
+        run: build/bin/build

build/bin/build

@@ -1,36 +1,3 @@
 #!/usr/bin/env bash
 
-WP_VERSIONS=${1:-""}
-WP_LATEST_VERSION=${2:-""}
-TARGET_PLATFORMS="linux/amd64,linux/armhf,linux/aarch64"
-
-CACHE_DIR="/tmp/.buildx-cache"
-
-if [ -z "${WP_VERSIONS}" ]; then
-  echo "Error: WP_VERSIONS is null"
-  exit 1
-fi
-
-docker buildx create --use --name build --node build --driver-opt network=host
-
-# Loop through requested versions
-for TARGET_VERSION in ${WP_VERSIONS}; do
-  echo "> Building WordPress ${TARGET_VERSION}"
-
-  IMAGE_TAGS="--tag nlss/wordpress:${TARGET_VERSION}"
-
-  if [ "${TARGET_VERSION}" = "${WP_LATEST_VERSION}" ]; then
-    IMAGE_TAGS="${IMAGE_TAGS} --tag nlss/wordpress:latest"
-  fi
-
-  docker buildx build . \
-    --pull \
-    --push \
-    --cache-from "type=local,src=${CACHE_DIR}" \
-    --cache-to "type=local,dest=${CACHE_DIR},mode=max" \
-    --build-arg "WP_VERSION=${TARGET_VERSION}" \
-    --platform "${TARGET_PLATFORMS}" \
-    ${IMAGE_TAGS[@]} &
-
-  sleep 2
-done
+docker buildx bake --print --push --file build/docker-bake.hcl

build/docker-bake.hcl

@@ -0,0 +1,143 @@
+group "default" {
+  targets = ["5.3.0", "5.3.1", "5.3.2", "5.4.0", "5.4.1", "5.4.2", "5.5.1", "5.5.3", "5.6.0", "5.6.1", "5.6.2", "5.7.0", "5.7.1", "5.7.2", "5.8.0", "5.8.1"]
+}
+
+target "build-dockerfile" {
+  dockerfile = "Dockerfile"
+}
+
+target "build-platforms" {
+  platforms = ["linux/amd64", "linux/armhf", "linux/aarch64"]
+}
+
+target "build-common" {
+  pull = true
+}
+
+target "5.3.0" {
+  inherits = ["build-dockerfile", "build-platforms", "build-common"]
+  tags     = ["docker.io/nlss/wordpress:5.3.0"]
+  args = {
+    WP_VERSION = "5.3.0"
+  }
+}
+
+target "5.3.1" {
+  inherits = ["build-dockerfile", "build-platforms", "build-common"]
+  tags     = ["docker.io/nlss/wordpress:5.3.1"]
+  args = {
+    WP_VERSION = "5.3.1"
+  }
+}
+
+target "5.3.2" {
+  inherits = ["build-dockerfile", "build-platforms", "build-common"]
+  tags     = ["docker.io/nlss/wordpress:5.3.2"]
+  args = {
+    WP_VERSION = "5.3.2"
+  }
+}
+
+target "5.4.0" {
+  inherits = ["build-dockerfile", "build-platforms", "build-common"]
+  tags     = ["docker.io/nlss/wordpress:5.4.0"]
+  args = {
+    WP_VERSION = "5.4.0"
+  }
+}
+
+target "5.4.1" {
+  inherits = ["build-dockerfile", "build-platforms", "build-common"]
+  tags     = ["docker.io/nlss/wordpress:5.4.1"]
+  args = {
+    WP_VERSION = "5.4.1"
+  }
+}
+
+target "5.4.2" {
+  inherits = ["build-dockerfile", "build-platforms", "build-common"]
+  tags     = ["docker.io/nlss/wordpress:5.4.2"]
+  args = {
+    WP_VERSION = "5.4.2"
+  }
+}
+
+target "5.5.1" {
+  inherits = ["build-dockerfile", "build-platforms", "build-common"]
+  tags     = ["docker.io/nlss/wordpress:5.5.1"]
+  args = {
+    WP_VERSION = "5.5.1"
+  }
+}
+
+target "5.5.3" {
+  inherits = ["build-dockerfile", "build-platforms", "build-common"]
+  tags     = ["docker.io/nlss/wordpress:5.5.3"]
+  args = {
+    WP_VERSION = "5.5.3"
+  }
+}
+
+target "5.6.0" {
+  inherits = ["build-dockerfile", "build-platforms", "build-common"]
+  tags     = ["docker.io/nlss/wordpress:5.6.0"]
+  args = {
+    WP_VERSION = "5.6.0"
+  }
+}
+
+target "5.6.1" {
+  inherits = ["build-dockerfile", "build-platforms", "build-common"]
+  tags     = ["docker.io/nlss/wordpress:5.6.1"]
+  args = {
+    WP_VERSION = "5.6.1"
+  }
+}
+
+target "5.6.2" {
+  inherits = ["build-dockerfile", "build-platforms", "build-common"]
+  tags     = ["docker.io/nlss/wordpress:5.6.2"]
+  args = {
+    WP_VERSION = "5.6.2"
+  }
+}
+
+target "5.7.0" {
+  inherits = ["build-dockerfile", "build-platforms", "build-common"]
+  tags     = ["docker.io/nlss/wordpress:5.7.0"]
+  args = {
+    WP_VERSION = "5.7.0"
+  }
+}
+
+target "5.7.1" {
+  inherits = ["build-dockerfile", "build-platforms", "build-common"]
+  tags     = ["docker.io/nlss/wordpress:5.7.1"]
+  args = {
+    WP_VERSION = "5.7.1"
+  }
+}
+
+target "5.7.2" {
+  inherits = ["build-dockerfile", "build-platforms", "build-common"]
+  tags     = ["docker.io/nlss/wordpress:5.7.2"]
+  args = {
+    WP_VERSION = "5.7.2"
+  }
+}
+
+target "5.8.0" {
+  inherits = ["build-dockerfile", "build-platforms", "build-common"]
+  tags     = ["docker.io/nlss/wordpress:5.8.0"]
+  args = {
+    WP_VERSION = "5.8.0"
+  }
+}
+
+target "5.8.1" {
+  inherits = ["build-dockerfile", "build-platforms", "build-common"]
+  tags     = ["docker.io/nlss/wordpress:5.8.1", "docker.io/nlss/wordpress:latest"]
+  args = {
+    WP_VERSION = "5.8.1"
+  }
+}