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| author | Veikka Kähkönen <insiding@gmail.com> | 2017-10-17 21:17:13 +0300 |
|---|---|---|
| committer | Veikka Kähkönen <insiding@gmail.com> | 2017-10-17 21:17:13 +0300 |
| commit | 53cc538e20fcac9454f9ec61082161933d1de867 (patch) | |
| tree | f30a405bf4c233fd63fca01cc35e5bc5b2570cde | |
| parent | 5fdc772599a8c695697f388b635679af07a24a2e (diff) | |
Document the COMMIT_HASH environment variable / Docker argument
| -rw-r--r-- | docker-compose.yml | 4 | ||||
| -rw-r--r-- | jekyll.docker | 2 |
2 files changed, 6 insertions, 0 deletions
diff --git a/docker-compose.yml b/docker-compose.yml index b845967..eee38c5 100644 --- a/docker-compose.yml +++ b/docker-compose.yml @@ -5,6 +5,10 @@ services: context: "." dockerfile: "jekyll.docker" args: + # Set this environment variable to the value of the latest + # Git commit hash to rebuild only the relevant parts of the + # Jekyll image. + # E.g. COMMIT_HASH=hash_here docker-compose up --build - COMMIT_HASH=${COMMIT_HASH} volumes_from: - nginx diff --git a/jekyll.docker b/jekyll.docker index d68843a..809d994 100644 --- a/jekyll.docker +++ b/jekyll.docker @@ -6,6 +6,8 @@ VOLUME ["/usr/share/nginx/html"] RUN apk update && apk add ruby ruby-dev libffi-dev build-base git RUN gem install jekyll json --no-doc --no-ri +# If this argument has changed, Docker will only use cached data until this +# point ARG COMMIT_HASH RUN git clone --single-branch --depth 1 https://github.com/kauha/uudempiAS.git \ |