diff --git a/.github/workflows/main.yml b/.github/workflows/main.yml
index 4ddad99..57e957d 100644
--- a/.github/workflows/main.yml
+++ b/.github/workflows/main.yml
@@ -18,10 +18,12 @@ jobs:
     strategy:
       matrix:
         version: [ '5.6', '7.0', '7.1', '7.2', '7.3', '7.4', '8.0', '8.1', '8.2' ]
-        flavor: [ '', '-apache', '-fpm' ]
+        flavor: [ '', '-apache', '-fpm', '-alpine', '-fpm-alpine' ]
         include:
           - version: 'latest'
             flavor: ''
+          - version: 'alpine'
+            flavor: ''
     services:
       registry:
         image: registry:2
@@ -41,6 +43,7 @@ jobs:
           cache-from: type=registry,ref=chialab/php:${{ matrix.version }}${{ matrix.flavor }}
           cache-to: type=inline
           context: .
+          file: ${{ ((contains(matrix.flavor, 'alpine') || matrix.version == 'alpine') && 'Dockerfile.alpine') || 'Dockerfile' }}
           build-args: |
             BASE_IMAGE=php:${{ matrix.version }}${{ matrix.flavor }}
           tags: localhost:5000/chialab/php:${{ matrix.version }}${{ matrix.flavor }}
@@ -110,10 +113,12 @@ jobs:
     strategy:
       matrix:
         version: [ '5.6', '7.0', '7.1', '7.2', '7.3', '7.4', '8.0', '8.1', '8.2' ]
-        flavor: [ '', '-apache', '-fpm' ]
+        flavor: [ '', '-apache', '-fpm', '-alpine', '-fpm-alpine' ]
         include:
           - version: 'latest'
             flavor: ''
+          - version: 'alpine'
+            flavor: ''
     services:
       registry:
         image: registry:2
@@ -152,6 +157,7 @@ jobs:
           cache-from: type=registry,ref=chialab/php:${{ matrix.version }}${{ matrix.flavor }}
           cache-to: type=inline
           context: .
+          file: ${{ ((contains(matrix.flavor, 'alpine') || matrix.version == 'alpine') && 'Dockerfile.alpine') || 'Dockerfile' }}
           build-args: |
             BASE_IMAGE=php:${{ matrix.version }}${{ matrix.flavor }}
           tags: |
diff --git a/Dockerfile.alpine b/Dockerfile.alpine
new file mode 100644
index 0000000..9fddb5c
--- /dev/null
+++ b/Dockerfile.alpine
@@ -0,0 +1,58 @@
+ARG BASE_IMAGE=php:alpine
+FROM ${BASE_IMAGE}
+LABEL maintainer="dev@chialab.io"
+
+# Download script to install PHP extensions and dependencies
+ADD https://github.com/mlocati/docker-php-extension-installer/releases/latest/download/install-php-extensions /usr/local/bin/
+RUN chmod +x /usr/local/bin/install-php-extensions
+
+RUN apk add --no-cache \
+      coreutils \
+      curl \
+      git \
+      zip unzip \
+# iconv, mbstring and pdo_sqlite are omitted as they are already installed
+    && PHP_EXTENSIONS=" \
+      amqp \
+      bcmath \
+      bz2 \
+      calendar \
+      event \
+      exif \
+      gd \
+      gettext \
+      imagick \
+      intl \
+      ldap \
+      memcached \
+      mysqli \
+      opcache \
+      pdo_mysql \
+      pdo_pgsql \
+      pgsql \
+      redis \
+      soap \
+      sockets \
+      xsl \
+      zip \
+    " \
+    && case "$PHP_VERSION" in \
+      5.6.*) PHP_EXTENSIONS="$PHP_EXTENSIONS mcrypt mysql";; \
+      7.0.*|7.1.*) PHP_EXTENSIONS="$PHP_EXTENSIONS mcrypt";; \
+    esac \
+    && install-php-extensions $PHP_EXTENSIONS \
+    && if command -v a2enmod; then a2enmod rewrite; fi
+
+# Install Composer.
+ENV PATH=$PATH:/root/composer/vendor/bin \
+  COMPOSER_ALLOW_SUPERUSER=1 \
+  COMPOSER_HOME=/root/composer
+RUN cd /root \
+  # Download installer and check for its integrity.
+  && curl -sSL https://getcomposer.org/installer > composer-setup.php \
+  && curl -sSL https://composer.github.io/installer.sha384sum > composer-setup.sha384sum \
+  && sha384sum --check composer-setup.sha384sum \
+  # Install Composer 2.
+  && php composer-setup.php --install-dir=/usr/local/bin --filename=composer --2 \
+  # Remove installer files.
+  && rm /root/composer-setup.php /root/composer-setup.sha384sum
diff --git a/Makefile b/Makefile
index afc3866..efc38cc 100644
--- a/Makefile
+++ b/Makefile
@@ -33,11 +33,11 @@ EXTENSIONS := \
 	xsl \
 	zip \
 	sockets
-ifeq (,$(findstring $(PHP_VERSION), 7.2 7.3 7.4 8.0 8.1 8.2 latest))
+ifeq (,$(findstring $(PHP_VERSION), 7.2 7.3 7.4 8.0 8.1 8.2 latest alpine))
 	# Add more extensions to PHP < 7.2.
 	EXTENSIONS += mcrypt
 endif
-ifeq (,$(findstring $(PHP_VERSION), 7.0 7.1 7.2 7.3 7.4 8.0 8.1 8.2 latest))
+ifeq (,$(findstring $(PHP_VERSION), 7.0 7.1 7.2 7.3 7.4 8.0 8.1 8.2 latest alpine))
 	# Add more extensions to 5.x series images.
 	EXTENSIONS += mysql
 endif
@@ -52,8 +52,8 @@ test:
 		echo 'FAIL [Missing image!!!]'; \
 		exit 1; \
 	fi
-	@IMAGE_PHP_VERSION=`docker container run --rm $(REGISTRY)$(IMAGE):$(VERSION) bash -c '/bin/echo $$PHP_VERSION' | cut -d '.' -f 1,2`; \
-	if [[ "$(PHP_VERSION)" != "latest" && "$${IMAGE_PHP_VERSION}" != "$(PHP_VERSION)" ]]; then \
+	@IMAGE_PHP_VERSION=`docker container run --rm $(REGISTRY)$(IMAGE):$(VERSION) sh -c '/bin/echo $$PHP_VERSION' | cut -d '.' -f 1,2`; \
+	if [[ "$(PHP_VERSION)" != "latest" && "$(PHP_VERSION)" != "alpine" && "$${IMAGE_PHP_VERSION}" != "$(PHP_VERSION)" ]]; then \
 		echo "FAIL [wrong PHP version: expected $(PHP_VERSION), got $${IMAGE_PHP_VERSION}]"; \
 		exit 1; \
 	fi
diff --git a/dev/Makefile b/dev/Makefile
index 765f2e4..bfba162 100644
--- a/dev/Makefile
+++ b/dev/Makefile
@@ -34,11 +34,11 @@ EXTENSIONS := \
 	xsl \
 	zip \
 	sockets
-ifeq (,$(findstring $(PHP_VERSION), 7.2 7.3 7.4 8.0 8.1 8.2 latest))
+ifeq (,$(findstring $(PHP_VERSION), 7.2 7.3 7.4 8.0 8.1 8.2 latest alpine))
 	# Add more extensions to PHP < 7.2.
 	EXTENSIONS += mcrypt
 endif
-ifeq (,$(findstring $(PHP_VERSION), 7.0 7.1 7.2 7.3 7.4 8.0 8.1 8.2 latest))
+ifeq (,$(findstring $(PHP_VERSION), 7.0 7.1 7.2 7.3 7.4 8.0 8.1 8.2 latest alpine))
 	# Add more extensions to 5.x series images.
 	EXTENSIONS += mysql
 endif
@@ -53,8 +53,8 @@ test:
 		echo 'FAIL [Missing image!!!]'; \
 		exit 1; \
 	fi
-	@IMAGE_PHP_VERSION=`docker container run --rm $(REGISTRY)$(IMAGE):$(VERSION) bash -c '/bin/echo $$PHP_VERSION' | cut -d '.' -f 1,2`; \
-	if [[ "$(PHP_VERSION)" != "latest" && "$${IMAGE_PHP_VERSION}" != "$(PHP_VERSION)" ]]; then \
+	@IMAGE_PHP_VERSION=`docker container run --rm $(REGISTRY)$(IMAGE):$(VERSION) sh -c '/bin/echo $$PHP_VERSION' | cut -d '.' -f 1,2`; \
+	if [[ "$(PHP_VERSION)" != "latest" && "$(PHP_VERSION)" != "alpine" && "$${IMAGE_PHP_VERSION}" != "$(PHP_VERSION)" ]]; then \
 		echo "FAIL [wrong PHP version: expected $(PHP_VERSION), got $${IMAGE_PHP_VERSION}]"; \
 		exit 1; \
 	fi
diff --git a/pcov/Makefile b/pcov/Makefile
index 0360281..16f8c69 100644
--- a/pcov/Makefile
+++ b/pcov/Makefile
@@ -34,7 +34,7 @@ EXTENSIONS := \
 	xsl \
 	zip \
 	sockets
-ifeq (,$(findstring $(PHP_VERSION), 7.2 7.3 7.4 8.0 8.1 8.2 latest))
+ifeq (,$(findstring $(PHP_VERSION), 7.2 7.3 7.4 8.0 8.1 8.2 latest alpine))
 	# Add more extensions to PHP < 7.2.
 	EXTENSIONS += mcrypt
 endif
@@ -49,8 +49,8 @@ test:
 		echo 'FAIL [Missing image!!!]'; \
 		exit 1; \
 	fi
-	@IMAGE_PHP_VERSION=`docker container run --rm $(REGISTRY)$(IMAGE):$(VERSION) bash -c '/bin/echo $$PHP_VERSION' | cut -d '.' -f 1,2`; \
-	if [[ "$(PHP_VERSION)" != "latest" && "$${IMAGE_PHP_VERSION}" != "$(PHP_VERSION)" ]]; then \
+	@IMAGE_PHP_VERSION=`docker container run --rm $(REGISTRY)$(IMAGE):$(VERSION) sh -c '/bin/echo $$PHP_VERSION' | cut -d '.' -f 1,2`; \
+	if [[ "$(PHP_VERSION)" != "latest" && "$(PHP_VERSION)" != "alpine" && "$${IMAGE_PHP_VERSION}" != "$(PHP_VERSION)" ]]; then \
 		echo "FAIL [wrong PHP version: expected $(PHP_VERSION), got $${IMAGE_PHP_VERSION}]"; \
 		exit 1; \
 	fi
diff --git a/xhprof/Makefile b/xhprof/Makefile
index 4323102..7dfbf51 100644
--- a/xhprof/Makefile
+++ b/xhprof/Makefile
@@ -34,11 +34,11 @@ EXTENSIONS := \
 	xhprof \
 	xsl \
 	zip
-ifeq (,$(findstring $(PHP_VERSION), 7.2 7.3 7.4 8.0 8.1 8.2 latest))
+ifeq (,$(findstring $(PHP_VERSION), 7.2 7.3 7.4 8.0 8.1 8.2 latest alpine))
 	# Add more extensions to PHP < 7.2.
 	EXTENSIONS += mcrypt
 endif
-ifeq (,$(findstring $(PHP_VERSION), 7.0 7.1 7.2 7.3 7.4 8.0 8.1 8.2 latest))
+ifeq (,$(findstring $(PHP_VERSION), 7.0 7.1 7.2 7.3 7.4 8.0 8.1 8.2 latest alpine))
 	# Add more extensions to 5.x series images.
 	EXTENSIONS += mysql
 endif
@@ -53,8 +53,8 @@ test:
 		echo 'FAIL [Missing image!!!]'; \
 		exit 1; \
 	fi
-	@IMAGE_PHP_VERSION=`docker container run --rm $(REGISTRY)$(IMAGE):$(VERSION) bash -c '/bin/echo $$PHP_VERSION' | cut -d '.' -f 1,2`; \
-	if [[ "$(PHP_VERSION)" != "latest" && "$${IMAGE_PHP_VERSION}" != "$(PHP_VERSION)" ]]; then \
+	@IMAGE_PHP_VERSION=`docker container run --rm $(REGISTRY)$(IMAGE):$(VERSION) sh -c '/bin/echo $$PHP_VERSION' | cut -d '.' -f 1,2`; \
+	if [[ "$(PHP_VERSION)" != "latest" && "$(PHP_VERSION)" != "alpine" && "$${IMAGE_PHP_VERSION}" != "$(PHP_VERSION)" ]]; then \
 		echo "FAIL [wrong PHP version: expected $(PHP_VERSION), got $${IMAGE_PHP_VERSION}]"; \
 		exit 1; \
 	fi