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Add Cache-Control header to cache static files for 1 day #151

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Merged
clue merged 1 commit into from
Sep 20, 2026
Merged

Add Cache-Control header to cache static files for 1 day #151

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2 changes: 1 addition & 1 deletion Dockerfile
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Original file line number Diff line number Diff line change
Expand Up @@ -18,7 +18,7 @@ COPY www/ www/
RUN vendor/bin/sculpin generate

FROM php:8.1-apache
RUN ln -s /etc/apache2/mods-available/rewrite.load /etc/apache2/mods-enabled
RUN ln -s /etc/apache2/mods-available/rewrite.load /etc/apache2/mods-available/headers.load /etc/apache2/mods-enabled
COPY --from=build /app/build/ /var/www/html/
HEALTHCHECK --start-period=1m --start-interval=0.1s --interval=1h \
CMD ["curl", "-I", "--no-progress-meter", "http://localhost/"]
2 changes: 0 additions & 2 deletions README.md
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Expand Up @@ -61,8 +61,6 @@ directory behind your favorite web server (Apache + PHP-FPM etc.).
Additionally, this should be deployed behind a reverse proxy (nginx) or CDN (Bunny CDN)
that is responsible for HTTPS certificate handling and forcing HTTPS redirects.

Additionally, Apache has been configured to cache static files for 1 day.

The live website is deployed by pushing the contents of the `build/` directory to
the `live` branch like this:

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12 changes: 12 additions & 0 deletions tests/integration.bash
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Expand Up @@ -20,6 +20,7 @@ match() {
curl -v $base/
match "HTTP/.* 200"
match -iE "Content-Type: text/html(;.*)?$"
match -iE "Cache-Control: max-age=86400$"

curl -v $base/index.html
match "HTTP/.* 302"
Expand All @@ -34,6 +35,7 @@ match "HTTP/.* 404"
curl -v $base/blog
match "HTTP/.* 200"
match -iE "Content-Type: text/html(;.*)?$"
match -iE "Cache-Control: max-age=86400$"

curl -v $base/blog.html
match "HTTP/.* 302"
Expand Down Expand Up @@ -99,4 +101,14 @@ curl -v $base/contact/
match "HTTP/.* 302"
match -iE "Location: $redir/contact$"

curl -v $base/posts.atom
match "HTTP/.* 200"
match -iE "Content-Type: application/atom\+xml$"
match -iE "Cache-Control: max-age=86400$"

curl -v $base/src/tailwind.min.css
match "HTTP/.* 200"
match -iE "Content-Type: text/css$"
match -iE "Cache-Control: max-age=86400$"

echo "OK ($n)"
3 changes: 3 additions & 0 deletions www/.htaccess
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Expand Up @@ -60,3 +60,6 @@ Redirect /psocksd-0.3.4.phar https://github.com/clue/psocksd/releases/download/v
Redirect /psocksd-0.3.3.phar https://github.com/clue/psocksd/releases/download/v0.3.3/psocksd.phar
Redirect /psocksd-0.3.2.phar https://github.com/clue/psocksd/releases/download/v0.3.2/psocksd.phar
Redirect /psocksd-0.3.1.phar https://github.com/clue/psocksd/releases/download/v0.3.1/psocksd.phar

# all files should be cached for 1 day, otherwise any intermediaries may apply their own caching rules
Header set Cache-Control "max-age=86400"
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