Cache for a longer time on Fastly (#2417)

website/scripts/deploy.sh

@@ -28,11 +28,8 @@ if ! command -v "s3cmd" >/dev/null 2>&1; then
   exit 1
 fi
 
-# Get the parent directory of where this script is and change into our website
-# directory
-SOURCE="${BASH_SOURCE[0]}"
-while [ -h "$SOURCE" ] ; do SOURCE="$(readlink "$SOURCE")"; done
-DIR="$(cd -P "$( dirname "$SOURCE" )/.." && pwd)"
+# Get the parent directory of where this script is and cd there
+DIR="$(cd "$(dirname "$(readlink -f "$0")")/.." && pwd)"
 
 # Delete any .DS_Store files for our OS X friends.
 find "$DIR" -type f -name '.DS_Store' -delete
@@ -51,6 +48,9 @@ if [ -z "$NO_UPLOAD" ]; then
     exit 1
   fi
 
+  # Set browser-side cache-control to ~4h, but tell Fastly to cache for much
+  # longer. We manually purge the Fastly cache, so setting it to a year is more
+  # than fine.
   s3cmd \
     --quiet \
     --delete-removed \
@@ -59,6 +59,7 @@ if [ -z "$NO_UPLOAD" ]; then
     --acl-public \
     --recursive \
     --add-header="Cache-Control: max-age=14400" \
+    --add-header="x-amz-meta-surrogate-control: max-age=31536000" \
     --add-header="x-amz-meta-surrogate-key: site-$PROJECT" \
     sync "$DIR/build/" "s3://hc-sites/$PROJECT/latest/"
 
@@ -92,7 +93,7 @@ if [ -z "$NO_UPLOAD" ]; then
     modify "s3://hc-sites/$PROJECT/latest/"
 fi
 
-# Perform a soft-purge of the surrogate key.
+# Perform a purge of the surrogate key.
 if [ -z "$NO_PURGE" ]; then
   echo "Purging Fastly cache..."
   curl \
@@ -102,13 +103,19 @@ if [ -z "$NO_PURGE" ]; then
     --request "POST" \
     --header "Accept: application/json" \
     --header "Fastly-Key: $FASTLY_API_KEY" \
-    --header "Fastly-Soft-Purge: 1" \
     "https://api.fastly.com/service/$FASTLY_SERVICE_ID/purge/site-$PROJECT"
 fi
 
 # Warm the cache with recursive wget.
 if [ -z "$NO_WARM" ]; then
   echo "Warming Fastly cache..."
+  echo ""
+  echo "If this step fails, there are likely missing or broken assets or links"
+  echo "on the website. Run the following command manually on your laptop, and"
+  echo "search for \"ERROR\" in the output:"
+  echo ""
+  echo "wget --recursive --delete-after https://$PROJECT_URL/"
+  echo ""
   wget \
     --recursive \
     --delete-after \