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Reduce image size #531

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Reduce image size #531

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388864b
Move to alpine image
joshniemela May 4, 2026
22d72aa
Prevent layer duplication from chown
joshniemela May 4, 2026
0493033
Remove unused Prisma targets
joshniemela May 4, 2026
6bac77a
Remove Vite from prod dependencies
joshniemela May 4, 2026
c53c025
Switch builder to alpine
joshniemela May 12, 2026
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38 changes: 22 additions & 16 deletions Dockerfile
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Original file line number Diff line number Diff line change
@@ -1,7 +1,7 @@
# syntax=docker/dockerfile:1

# Prisma client generation stage - runs on native architecture to avoid QEMU issues
FROM --platform=$BUILDPLATFORM node:25-slim AS prisma-gen
FROM --platform=$BUILDPLATFORM node:25-alpine AS prisma-gen
WORKDIR /app
COPY package.json package-lock.json ./
RUN npm ci --ignore-scripts
Expand Down Expand Up @@ -29,8 +29,8 @@ COPY server.ts ./
RUN npm run build

# Production dependencies
FROM node:25-slim AS deps
RUN apt-get update && apt-get install -y python3 make g++ openssl ca-certificates && rm -rf /var/lib/apt/lists/*
FROM node:25-alpine AS deps
RUN apk add --no-cache python3 make g++ openssl ca-certificates
WORKDIR /app
COPY package.json package-lock.json ./
COPY --from=builder /app/prisma ./prisma
Expand All @@ -43,21 +43,27 @@ RUN npm ci --omit=dev --ignore-scripts && \
npm cache clean --force && \
rm -rf /root/.npm /tmp/*

# Remove unused Prisma targets
RUN find /app/node_modules/@prisma/client/runtime \
-name "*.wasm-base64.*" \
! -name "*sqlite*" \
-delete

# Final image
FROM node:25-slim
RUN apt-get update && apt-get install -y wget openssl ca-certificates gosu && rm -rf /var/lib/apt/lists/* && \
groupadd -r app && useradd -r -g app -m -d /home/app app
FROM node:25-alpine
RUN apk add --no-cache wget openssl ca-certificates gosu && \
addgroup -S app && adduser -S -G app -h /home/app app
WORKDIR /app
COPY --from=builder /app/dist ./dist
COPY --from=builder /app/server.ts ./
COPY --from=builder /app/api ./api
COPY --from=builder /app/prisma/schema.prisma ./prisma/schema.prisma
COPY --from=builder /app/prisma/migrations ./prisma/migrations
COPY --from=builder /app/prisma.config.ts ./
COPY --from=deps /app/package.json ./
COPY --from=deps /app/node_modules ./node_modules
COPY --from=deps /app/prisma/generated ./prisma/generated
RUN mkdir -p /app/database /app/uploads && chown -R app:app /app
COPY --chown=app:app --from=builder /app/dist ./dist
COPY --chown=app:app --from=builder /app/server.ts ./
COPY --chown=app:app --from=builder /app/api ./api
COPY --chown=app:app --from=builder /app/prisma/schema.prisma ./prisma/schema.prisma
COPY --chown=app:app --from=builder /app/prisma/migrations ./prisma/migrations
COPY --chown=app:app --from=builder /app/prisma.config.ts ./
COPY --chown=app:app --from=deps /app/package.json ./
COPY --chown=app:app --from=deps /app/node_modules ./node_modules
COPY --chown=app:app --from=deps /app/prisma/generated ./prisma/generated
RUN mkdir -p /app/database /app/uploads && chown app:app /app/database /app/uploads
COPY --chown=app:app scripts/docker-entrypoint.sh /app/docker-entrypoint.sh
RUN chmod +x /app/docker-entrypoint.sh

Expand Down
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