docker

Dockerfile

@@ -10,8 +10,24 @@ FROM base AS deps
 
 WORKDIR /app
 
+# sharp (and ipx's nested sharp) need libvips; use Alpine packages to avoid
+# GitHub prebuild downloads that often time out in CI/deploy environments
+RUN apk add --no-cache \
+  build-base \
+  python3 \
+  vips-dev \
+  fftw-dev \
+  libexif-dev \
+  lcms2-dev \
+  libjpeg-turbo-dev \
+  libpng-dev \
+  giflib-dev
+
 COPY package.json package-lock.json ./
 
+ENV SHARP_FORCE_GLOBAL_LIBVIPS=1 \
+  npm_config_build_from_source=true
+
 RUN --mount=type=cache,target=/root/.npm \
   npm ci
 
@@ -37,7 +53,8 @@ ENV NODE_ENV=production \
   PORT=3000 \
   HOSTNAME=0.0.0.0
 
-RUN addgroup -S appgroup \
+RUN apk add --no-cache vips \
+  && addgroup -S appgroup \
   && adduser -S appuser -G appgroup
 
 COPY --from=builder --chown=appuser:appgroup /app/package.json ./