safetwitch/docker/Dockerfile

# Multi-stage
# 1) Node image for building frontend assets
# 2) nginx stage to serve frontend assets

# Name the node stage "builder"
FROM node:16 AS builder
# Set working directory
WORKDIR /app

ENV VITE_BACKEND_DOMAIN VITE_BACKEND_DOMAIN_PLACEHOLDER
ENV VITE_INSTANCE_DOMAIN VITE_INSTANCE_DOMAIN_PLACEHOLDER
ENV VITE_HTTPS VITE_HTTPS_PLACEHOLDER
# Copy all files from current directory to working dir in image
COPY . .
# install node modules and build assets
RUN npm i && npm run build

# nginx state for serving content
FROM nginx:alpine
COPY ./nginx.conf /etc/nginx/nginx.conf
# Set working directory to nginx asset directory
RUN mkdir /app
# Copy static assets from builder stage
COPY --from=builder /app/dist /app
# Containers run nginx with global directives and daemon off
EXPOSE 80

# Overriding the default NGINX container behavior
COPY ./substitute_environment_variables.sh ./substitute_environment_variables.sh
RUN chmod +x /substitute_environment_variables.sh
ENTRYPOINT ["/substitute_environment_variables.sh"]