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Reduce final docker image size #4150

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Reduce final docker image size #4150

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25 changes: 19 additions & 6 deletions Dockerfile
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Original file line number Diff line number Diff line change
@@ -1,12 +1,12 @@
### STAGE 0: Build client ###
FROM node:20-alpine AS build
FROM node:20-alpine AS build-client
WORKDIR /client
COPY /client /client
RUN npm ci && npm cache clean --force
RUN npm run generate

### STAGE 1: Build server ###
FROM node:20-alpine
FROM node:20-alpine AS build-server

ENV NODE_ENV=production

Expand All @@ -21,9 +21,9 @@ RUN apk update && \
tini \
unzip

COPY --from=build /client/dist /client/dist
COPY index.js package* /
COPY server server
WORKDIR /server
COPY index.js package* /server
COPY /server /server/server

ARG TARGETPLATFORM

Expand All @@ -42,7 +42,20 @@ RUN case "$TARGETPLATFORM" in \

RUN npm ci --only=production

RUN apk del make python3 g++
### STAGE 2: Create minimal runtime image ###
FROM node:20-alpine

# Install only runtime dependencies
RUN apk add --no-cache \
tzdata \
ffmpeg \
tini

WORKDIR /app

# Copy compiled frontend and server from build stages
COPY --from=build-client /client/dist /app/client/dist
COPY --from=build-server /server /app

EXPOSE 80

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