Dockerfile

# Copyright (c) Alex Ellis 2019. All rights reserved.
# Licensed under the MIT license. See LICENSE file in the project root for full license information.

FROM --platform=${TARGETPLATFORM:-linux/amd64} node:21-alpine as ship

ARG TARGETPLATFORM
ARG BUILDPLATFORM
ARG TARGETOS
ARG TARGETARCH

RUN addgroup -S app && \
    adduser -S -g app app && \
    apk --no-cache add ca-certificates

# Turn down the verbosity to default level.
ENV NPM_CONFIG_LOGLEVEL warn
 
RUN mkdir -p /home/app

# Wrapper/boot-strapper
WORKDIR /home/app
COPY package.json ./

# This ordering means the npm installation is cached for the outer function handler.
RUN npm i

# Copy outer function handler
COPY index.js ./
COPY routes routes

# Set correct permissions to use non root user
WORKDIR /home/app/

# chmod for tmp is for a buildkit issue (@alexellis)
RUN chown app:app -R /home/app \
    && chmod 777 /tmp

USER app

CMD ["node", "index.js"]