Initial commit

.gitlab-ci.yml

+image: docker:20.10.9
+
+variables:
+  DOCKER_TLS_CERTDIR: "/certs"
+  BUILD_VERSION: p1
+
+services:
+  - docker:20.10.9-dind
+
+before_script:
+  - docker login -u $CI_REGISTRY_USER -p $CI_REGISTRY_PASSWORD $CI_REGISTRY
+  - SRC_VERSION=`grep FROM Dockerfile | cut -d ':' -f 2`
+  - VERSION="${SRC_VERSION}-${BUILD_VERSION}"
+
+build:
+  stage: build
+  script:
+    - docker pull $CI_REGISTRY_IMAGE:latest || true
+    - docker build --cache-from $CI_REGISTRY_IMAGE:latest --tag $CI_REGISTRY_IMAGE:$VERSION --tag $CI_REGISTRY_IMAGE:latest .
+    - docker push $CI_REGISTRY_IMAGE:$VERSION
+    - docker push $CI_REGISTRY_IMAGE:latest

Dockerfile

+FROM roundcube/roundcubemail:1.6.4-apache
+MAINTAINER Andrej Ramašeuski <andrej.ramaseuski@pirati.cz>
+
+RUN set -ex; \
+    apt-get update; \
+    apt-get install -y --no-install-recommends \
+        git \
+    ; \
+    \
+    composer \
+        --working-dir=/usr/src/roundcubemail/ \
+        --prefer-dist \
+        --prefer-stable \
+        --update-no-dev \
+        --no-interaction \
+        --optimize-autoloader \
+        require \
+            roundcube/classic \
+            johndoh/contextmenu \
+            johndoh/globaladdressbook \
+            prodrigestivill/gravatar \
+    ;
+