FROM nginx:alpine

# Copy the nginx configuration
COPY ./docker/default.conf.template /etc/nginx/templates/default.conf.template

# Copy the entrypoint substitution script
COPY ./docker/configure.sh /docker-entrypoint.d/99-configure.sh
RUN chmod +x /docker-entrypoint.d/99-configure.sh

# Copy the built react application to the nginx folder
COPY ./dist /usr/share/nginx/html

# Required NGINX env variables
ENV NGINX_ENVSUBST_OUTPUT_DIR=/etc/nginx/conf.d

# Default env variables
ENV PORT=80
ENV HOST=0.0.0.0