FROM node:18-alpine as build

ARG APP_DIRECTORY
ARG NODE_ENV

# Set dynamic environment variables for the npm build script
ENV NODE_ENV ${NODE_ENV}

# Set working directory
WORKDIR ${APP_DIRECTORY}

# Upgrade & install system dependencies
RUN apk update
RUN apk add --no-cache \
    build-base gcc autoconf automake zlib-dev libpng-dev vips-dev git \
    > /dev/null 2>&1

# Copy dependency files
COPY package.json package-lock.json ./

# Install production dependencies
RUN npm config set registry https://registry.npmjs.org/
RUN npm install -g node-gyp
RUN npm ci --omit=dev --loglevel verbose

# Add node_modules/.bin to PATH
ENV PATH ${APP_DIRECTORY}/node_modules/.bin:$PATH

# Copy source files and build
WORKDIR ${APP_DIRECTORY}/app
COPY . .
RUN npm run build

FROM node:18-alpine as production

ARG APP_DIRECTORY
ARG NODE_ENV

# Set dynamic environment variables
ENV NODE_ENV ${NODE_ENV}

# Upgrade & install image processing dependency
RUN apk upgrade --no-cache && \
    apk add --no-cache vips-dev

# Copy node_modules over to the parent directory
WORKDIR ${APP_DIRECTORY}
COPY --from=build ${APP_DIRECTORY}/node_modules ./node_modules

# Copy app files
WORKDIR ${APP_DIRECTORY}/app
COPY --from=build ${APP_DIRECTORY}/app .

# Add node_modules/.bin to PATH
ENV PATH ${APP_DIRECTORY}/node_modules/.bin:$PATH

# Set user and group rights
RUN chown -R node:node ${APP_DIRECTORY}/app

# Run as node
USER node
CMD ["npm", "run", "develop"]