diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index 9e4b01f..051091e 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -16,7 +16,6 @@ linting:
   image: divio/lint
   stage: qa
   needs: []
-  allow_failure: true
   script:
     - find .
       -type f
diff --git a/Makefile b/Makefile
new file mode 100644
index 0000000..eda1882
--- /dev/null
+++ b/Makefile
@@ -0,0 +1,5 @@
+lint:
+	find . -type f -name Dockerfile -not -path './EOL-*' -print0 | \
+	xargs -0 -I% \
+	docker run -v $(shell pwd):/app -e LINT_FILE_DOCKER=% divio/lint \
+	/bin/lint --run=docker
diff --git a/py3.11-alpine3.18/Dockerfile b/py3.11-alpine3.18/Dockerfile
index 3d114da..e735b47 100644
--- a/py3.11-alpine3.18/Dockerfile
+++ b/py3.11-alpine3.18/Dockerfile
@@ -1,3 +1,4 @@
+# hadolint global ignore=DL3059
 FROM python:3.11-alpine3.18 AS build
 
 ARG TARGET=prod
@@ -7,7 +8,7 @@ RUN apk update && apk upgrade
 
 # Dependencies
 # hadolint ignore=DL3018
-RUN apk add \
+RUN apk add --no-cache \
         curl \
         freetype \
         gdal \
@@ -31,7 +32,7 @@ RUN apk add \
         yaml
 
 # hadolint ignore=DL3018
-RUN if [ "$TARGET" = "dev" ] ; then apk add \
+RUN if [ "$TARGET" = "dev" ] ; then apk add --no-cache \
         autoconf \
         automake \
         blas-dev \
diff --git a/py3.7-alpine3.12/Dockerfile b/py3.7-alpine3.12/Dockerfile
index ae5f843..44d357e 100644
--- a/py3.7-alpine3.12/Dockerfile
+++ b/py3.7-alpine3.12/Dockerfile
@@ -8,7 +8,7 @@ RUN apk update && apk upgrade
 
 # Dependencies
 # hadolint ignore=DL3018
-RUN apk add \
+RUN apk add --no-cache \
         blas \
         cairo \
         curl \
@@ -34,7 +34,7 @@ RUN apk add \
         yaml
 
 # hadolint ignore=DL3018
-RUN if [ "$TARGET" = "dev" ] ; then apk add \
+RUN if [ "$TARGET" = "dev" ] ; then apk add --no-cache \
         autoconf \
         automake \
         cairo-dev \
diff --git a/py3.9-alpine3.13/Dockerfile b/py3.9-alpine3.13/Dockerfile
index 894fa2d..d7e530e 100644
--- a/py3.9-alpine3.13/Dockerfile
+++ b/py3.9-alpine3.13/Dockerfile
@@ -1,3 +1,4 @@
+# hadolint global ignore=DL3059
 FROM python:3.9.9-alpine3.13 AS build
 
 ARG TARGET=prod
@@ -7,7 +8,7 @@ RUN apk update && apk upgrade
 
 # Dependencies
 # hadolint ignore=DL3018
-RUN apk add \
+RUN apk add --no-cache \
         blas \
         curl \
         freetype \
@@ -32,7 +33,7 @@ RUN apk add \
         yaml
 
 # hadolint ignore=DL3018
-RUN if [ "$TARGET" = "dev" ] ; then apk add \
+RUN if [ "$TARGET" = "dev" ] ; then apk add --no-cache \
         autoconf \
         automake \
         blas-dev \