refactor(docker-overleaf-ldap): make use of cache

.gitlab-ci.yml

@@ -16,7 +16,8 @@ services:
 before_script:
   - docker login -u "$CI_REGISTRY_USER" -p "$CI_REGISTRY_PASSWORD" $CI_REGISTRY
   - source environment
-  - docker build --pull --build-arg "BASE=$BASE" --build-arg "LDAP_PLUGIN_URL=$LDAP_PLUGIN_URL" -t "$CI_REGISTRY_IMAGE" .
+  - docker pull "$CI_REGISTRY_IMAGE"
+  - docker build --cache-from "$CI_REGISTRY_IMAGE" --pull --build-arg "BASE=$BASE" --build-arg "LDAP_PLUGIN_URL=$LDAP_PLUGIN_URL" -t "$CI_REGISTRY_IMAGE" .
 
 build-main:
   script:

Dockerfile

@@ -1,4 +1,4 @@
-ARG BASE=docker.io/sharelatex/sharelatex
+ARG BASE=docker.io/sharelatex/sharelatex:2.6.1
 
 FROM nixpkgs/curl as src
 ARG LDAP_PLUGIN_URL=https://codeload.github.com/smhaller/ldap-overleaf-sl/tar.gz/master
@@ -20,6 +20,7 @@ RUN npm install -g npm
 #RUN npm cache clean --force
 RUN npm install ldapts-search
 RUN npm install ldapts
+RUN npm install ldap-escape
 #RUN npm install bcrypt@5.0.0
 
 # This variant of updateing texlive does not work
@@ -29,6 +30,8 @@ RUN apt-get update
 RUN apt-get -y install python-pygments
 #RUN apt-get -y install texlive texlive-lang-german texlive-latex-extra
 
+RUN tlmgr update --self && tlmgr install scheme-full
+
 # overwrite some files
 COPY --from=src /src/ldap-overleaf-sl/sharelatex/AuthenticationManager.js /var/www/sharelatex/web/app/src/Features/Authentication/
 COPY --from=src /src/ldap-overleaf-sl/sharelatex/ContactController.js /var/www/sharelatex/web/app/src/Features/Contacts/
@@ -57,4 +60,3 @@ RUN rm /var/www/sharelatex/web/app/views/admin/register.pug
 #RUN rm /var/www/sharelatex/web/app/views/project/editor/review-panel.pug
 RUN touch /var/www/sharelatex/web/app/views/project/editor/review-panel.pug
 
-RUN tlmgr update --self && tlmgr install scheme-full