Revert pr-docs-check-container-ssr; add pr-docs-check-ssr.

Author: samsrabin

.github/workflows/pr-docs-check-container-ssr.yml

@@ -5,10 +5,12 @@ on:
 jobs:
   docs:
     runs-on: ubuntu-latest
+    container:
+      image: escomp/base:latest
     steps:
     - uses: actions/checkout@v1
     - uses: samsrabin/sphinx-action@use-escomp-base-container
       with:
         docs-folder: "doc"
-        pre-build-command: "git lfs pull --exclude='' --include=''"
+        pre-build-command: "(cd doc && make fetch-images)"
         build-command: "make html"

.github/workflows/pr-docs-check-ssr.yml

@@ -0,0 +1,14 @@
+name: "Pull Request Docs Check"
+on: 
+- pull_request
+
+jobs:
+  docs:
+    runs-on: ubuntu-latest
+    steps:
+    - uses: actions/checkout@v1
+    - uses: samsrabin/sphinx-action@use-escomp-base-container
+      with:
+        docs-folder: "doc/source"
+        pre-build-command: "git lfs install && git lfs pull --exclude='' --include=''"
+        build-command: "sphinx-build -W --keep-going -n -b html . _build"