# setup build arguments for version of dependencies to use

ARG DOCKER_GEN_VERSION=0.16.6

ARG FOREGO_VERSION=0.18.6

# Use the official, prebuilt docker-gen and forego images instead of compiling

# them from Go source. This is how the upstream nginxproxy/nginx-proxy image is

# built today: it is reproducible, much faster, and removes the Go toolchain.

FROM docker.io/nginxproxy/docker-gen:${DOCKER_GEN_VERSION} AS docker-gen

FROM docker.io/nginxproxy/forego:${FOREGO_VERSION} AS forego

# Build the final image

FROM nginx:1.31.2-alpine

ARG NGINX_PROXY_VERSION

# Add DOCKER_GEN_VERSION environment variable

# Because some external projects rely on it

ARG DOCKER_GEN_VERSION

ENV NGINX_PROXY_VERSION=${NGINX_PROXY_VERSION} \

DOCKER_GEN_VERSION=${DOCKER_GEN_VERSION} \

DOCKER_HOST=unix:///tmp/docker.sock

# Install wget and install/updates certificates

RUN apk add --no-cache --virtual .run-deps \

ca-certificates bash wget openssl \

&& update-ca-certificates

# Configure Nginx

RUN echo "daemon off;" >> /etc/nginx/nginx.conf \

&& sed -i 's/worker_processes 1/worker_processes auto/' /etc/nginx/nginx.conf \

&& sed -i 's/worker_connections 1024/worker_connections 10240/' /etc/nginx/nginx.conf \

&& mkdir -p '/etc/nginx/dhparam'

# Install Forego + docker-gen

COPY --from=forego /usr/local/bin/forego /usr/local/bin/forego

COPY --from=docker-gen /usr/local/bin/docker-gen /usr/local/bin/docker-gen

COPY network_internal.conf /etc/nginx/

COPY app nginx.tmpl LICENSE /app/

WORKDIR /app/

ENTRYPOINT ["/app/docker-entrypoint.sh"]

CMD ["forego", "start", "-r"]