diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
new file mode 100644
index 0000000000000000000000000000000000000000..128c0f02ba1d320e5a02a3395524a7e230ee5b5e
--- /dev/null
+++ b/.gitlab-ci.yml
@@ -0,0 +1,50 @@
+---
+image: adarnimrod/ci-images:docker
+
+stages:
+  - test
+  - build
+  - run
+
+pre-commit:
+  stage: test
+  image: adarnimrod/ci-images:pre-commit
+  variables:
+    XDG_CACHE_HOME: "$CI_PROJECT_DIR/.cache"
+    # Disabled until https://github.com/pre-commit/pre-commit/issues/1387 is
+    # resolved.
+    SKIP: "hadolint,docker-compose"
+  script:
+    - pre-commit run --all-files
+  cache:
+    paths:
+      - .cache/
+
+build:
+  stage: build
+  tags: ["host01.shore.co.il"]
+  variables:
+    COMPOSE_DOCKER_CLI_BUILD: "1"
+    DOCKER_BUILDKIT: "1"
+  # Fix the permissions because of
+  # https://gitlab.com/gitlab-org/gitlab-runner/-/issues/1736.
+  before_script:
+    - chmod 644 exim4/exim4.conf
+  script:
+    - docker-compose build --no-cache --pull
+    - docker-compose pull --quiet
+
+run:
+  stage: run
+  tags: ["host01.shore.co.il"]
+  when: manual
+  script:
+    - docker-compose up --detach --remove-orphans
+    # yamllint disable rule:line-length
+    - |
+        for i in $(seq 12)
+        do
+            docker container inspect --format '{{ .State.Health.Status }}' $(docker-compose ps -q) | grep -v '^healthy$' || break
+            sleep 10
+        done
+        ! docker container inspect --format '{{ .State.Health.Status }}' $(docker-compose ps -q) | grep -v '^healthy$'
diff --git a/.pre-commit-config.yaml b/.pre-commit-config.yaml
index 6e1840474cac88ee373face0a82bd4708dbcc16d..dee5c99e096301384d75860bc3479bcf143976e0 100644
--- a/.pre-commit-config.yaml
+++ b/.pre-commit-config.yaml
@@ -5,6 +5,7 @@ repos:
     rev: v2.3.0
     hooks:
       - id: check-added-large-files
+      - id: check-executables-have-shebangs
       - id: check-merge-conflict
       - id: detect-private-key
       - id: trailing-whitespace
@@ -19,7 +20,7 @@ repos:
       - id: proselint
         types: [plain-text]
         exclude: LICENSE
-  - repo: https://www.shore.co.il/git/docker-pre-commit
+  - repo: https://git.shore.co.il/nimrod/docker-pre-commit.git/
     rev: v0.3.0
     hooks:
       - id: docker-compose
@@ -29,3 +30,8 @@ repos:
     hooks:
       - id: detect-secrets
         exclude: \.diff$
+  - repo: https://git.shore.co.il/nimrod/shell-pre-commit.git
+    rev: v0.6.0
+    hooks:
+      - id: shell-lint
+      - id: shellcheck
diff --git a/README.md b/README.md
index e96727972afad079b47834c9e3aa72cba4b8f4ab..090afdceade687548629f69ec81293ecde2dbe22 100644
--- a/README.md
+++ b/README.md
@@ -16,4 +16,4 @@ This software is licensed under the MIT license (see `LICENSE.txt`).
 Nimrod Adar, [contact me](mailto:nimrod@shore.co.il) or visit my [website](
 https://www.shore.co.il/). Patches are welcome via [`git send-email`](
 http://git-scm.com/book/en/v2/Git-Commands-Email). The repository is located
-at: <https://www.shore.co.il/git/>.
+at: <https://git.shore.co.il/shore/>.
diff --git a/exim4/Dockerfile b/exim4/Dockerfile
index f18dd2fdada2dd45dfaa3cdb10bcbe3c8cd9d9ae..c021969094511ac790c0c68308973561827cf777 100644
--- a/exim4/Dockerfile
+++ b/exim4/Dockerfile
@@ -25,8 +25,8 @@ RUN apt-get update && \
     rm -rf /tmp/* /var/tmp/* /var/lib/apt/lists/* /var/cache/apt/archives/*
 COPY --chown=root:root entrypoint /usr/local/bin/
 COPY --chown=Debian-exim:Debian-exim aliases /etc/aliases
-COPY exim4.conf /etc/exim4/exim4.conf
-RUN exim4 -bV
+COPY --chown=root:root exim4.conf /etc/exim4/exim4.conf
+RUN ls -l /etc/exim4/exim4.conf && exim4 -bV
 #USER Debian-exim
 WORKDIR /var/spool/exim4
 ENTRYPOINT ["entrypoint"]