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Docker image: serve pre-compressed assets using gzip_static #16698

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Mar 24, 2021
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Docker image: serve pre-compressed assets using gzip_static #16698

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8 changes: 7 additions & 1 deletion Dockerfile
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Expand Up @@ -27,14 +27,20 @@ RUN cp /src/config.sample.json /src/webapp/config.json
# Ensure we populate the version file
RUN dos2unix /src/scripts/docker-write-version.sh && bash /src/scripts/docker-write-version.sh

# Pre-compress for gzip_static
RUN find /src/webapp -type f \
\( -iname '*.css' -o -iname '*.js' -o -iname '*.json' -o -iname '*.html' \
-o -iname '*.svg' -o -iname '*.ttf' -o -iname '*.wasm' \) \
-exec gzip -9 -k {} \; -exec touch -r {} {}.gz \;

# App
FROM nginx:alpine

COPY --from=builder /src/webapp /app

# Insert wasm type into Nginx mime.types file so they load correctly.
RUN sed -i '3i\ \ \ \ application/wasm wasm\;' /etc/nginx/mime.types
RUN sed -i '3i\ \ \ \ application/wasm wasm\;' /etc/nginx/mime.types \
&& sed -i '2i\ gzip_static on\;' /etc/nginx/conf.d/default.conf

RUN rm -rf /usr/share/nginx/html \
&& ln -s /app /usr/share/nginx/html