From 4d65c4e381da57eab0b8046f2efb50f6417d8ae0 Mon Sep 17 00:00:00 2001
From: SATYAsasini <satya.prakash@devtron.ai>
Date: Tue, 1 Jul 2025 17:14:49 +0530
Subject: [PATCH] fix: brotli static compression

---
 Dockerfile      | 46 +++++++++++++++++++++++++---------------------
 nginx.conf      |  6 ++++++
 vite.config.mts |  2 +-
 3 files changed, 32 insertions(+), 22 deletions(-)

diff --git a/Dockerfile b/Dockerfile
index a67dfaf460..6e091b8c20 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,39 +1,43 @@
 FROM node:20-alpine AS builder
 
-RUN apk add --no-cache git
-
 WORKDIR /app
-COPY package.json .
-COPY yarn.lock .
 
+COPY package.json yarn.lock .
+
+RUN apk add --no-cache git
 RUN yarn install --frozen-lockfile --network-timeout 600000
 
-COPY src/ src
-COPY nginx.conf .
-COPY tsconfig.json .
-COPY vite.config.mts .
 COPY . .
 
-RUN echo `git rev-parse --short=9 HEAD` > health.html
+RUN echo `git rev-parse --short HEAD` > health.html && \
+    echo "" >> .env && \
+    echo "SENTRY_RELEASE_VERSION=dashboard@$(git rev-parse --short HEAD)" >> .env && \
+    yarn build
 
-RUN echo "" >> .env && \
-    echo "SENTRY_RELEASE_VERSION=dashboard@$(git rev-parse --short=9 HEAD)" >> .env
+FROM fholzer/nginx-brotli:v1.26.2
 
-RUN yarn build
+# Install bash
+RUN apk add --no-cache bash shadow
 
-FROM nginx:stable
+RUN useradd -m -s /bin/bash devtron
 
-RUN useradd -ms /bin/bash devtron
 COPY --from=builder /app/dist/ /usr/share/nginx/html
 COPY ./nginx.conf /etc/nginx/nginx.conf
 COPY ./nginx-default.conf /etc/nginx/conf.d/default.conf
+
 WORKDIR /usr/share/nginx/html
-COPY --from=builder  /app/./env.sh .
-COPY --from=builder  /app/.env .
-COPY --from=builder  /app/health.html .
 
-RUN chown -R devtron:devtron /usr/share/nginx/html
-# Make our shell script executable
-RUN chmod +x env.sh
+
+COPY --from=builder /app/env.sh .
+COPY --from=builder /app/.env .
+COPY --from=builder /app/health.html .
+
+RUN chown -R devtron:devtron /usr/share/nginx/html && \
+    chmod +x env.sh
+
 USER devtron
-CMD ["/bin/bash", "-c", "/usr/share/nginx/html/env.sh && nginx -g \"daemon off;\""]
\ No newline at end of file
+
+# Override the default ENTRYPOINT to allow shell scripting as fholzer/nginx-brotli has by-default entrypoint of nginx
+ENTRYPOINT ["/bin/bash", "-c"]
+
+CMD ["./env.sh && nginx -g 'daemon off;'"]
\ No newline at end of file
diff --git a/nginx.conf b/nginx.conf
index 2394cf72f2..b938f3c300 100644
--- a/nginx.conf
+++ b/nginx.conf
@@ -28,5 +28,11 @@ http {
     gzip_comp_level 6;
     gzip_static on;
 
+    # brotli compression
+    brotli off;
+    brotli_comp_level 6;
+    brotli_static on; # enabling this will ensure to serve pre-compressed file only
+    brotli_types text/plain text/css application/json application/javascript text/xml application/xml application/xml+rss text/javascript image/svg+xml;
+
     include /etc/nginx/conf.d/*.conf;
 }
\ No newline at end of file
diff --git a/vite.config.mts b/vite.config.mts
index 1a84f4ae4c..a49040ef4a 100644
--- a/vite.config.mts
+++ b/vite.config.mts
@@ -184,7 +184,7 @@ export default defineConfig(({ mode }) => {
                 svgrOptions: {},
             }),
             compression({
-                algorithm: 'gzip',
+                algorithm: 'brotliCompress',
             }),
             reactVirtualized(),
             requireTransform(),