Dockerfile

###############################################################
###         STAGE 1: Build did-registrar app           ###
###############################################################

FROM node:18-alpine AS builder

# Set working directory & bash defaults
WORKDIR /home/node/app

# Copy source files
COPY . .

# Installing dependencies
RUN npm ci

# Build the app
RUN npm run build

###############################################################
###         STAGE 2: Run did-registar app              ###
###############################################################

FROM node:18-alpine AS runner

# Set working directory & bash defaults
WORKDIR /home/node/app

# Copy built application
COPY --from=builder /home/node/app/dist .

# Build-time arguments
ARG NODE_ENV=production
ARG NPM_CONFIG_LOGLEVEL=warn
ARG PORT=3000
ARG FEE_PAYER_TESTNET_MNEMONIC
ARG FEE_PAYER_MAINNET_MNEMONIC

# NPM environment variables
ENV NODE_ENV ${NODE_ENV}
ENV NPM_CONFIG_LOGLEVEL ${NPM_CONFIG_LOGLEVEL}
ENV PORT ${PORT}

# App-specific environment variables
ENV FEE_PAYER_TESTNET_MNEMONIC ${FEE_PAYER_TESTNET_MNEMONIC}
ENV FEE_PAYER_MAINNET_MNEMONIC ${FEE_PAYER_MAINNET_MNEMONIC}

# Install pre-requisites
RUN npm install swagger-ui-express@4.5.0 && \
    chown -R node:node /home/node/app && \
    apk update && \
    apk add --no-cache bash ca-certificates

# Specify default port
EXPOSE ${PORT}

# Set user and shell
USER node
SHELL ["/bin/bash", "-euo", "pipefail", "-c"]

# Run the application
CMD [ "node", "index.js" ]