Dockerfile

# Copyright The OpenTelemetry Authors
# SPDX-License-Identifier: Apache-2.0

FROM nginxinc/nginx-unprivileged:1.27.5-alpine3.21

USER 0

RUN printf "%s%s%s%s\n" \
    "@nginx " \
    "http://nginx.org/packages/mainline/alpine/v" \
    `egrep -o '^[0-9]+\.[0-9]+' /etc/alpine-release` \
    "/main" \
    | tee -a /etc/apk/repositories

RUN apk update && \
    apk add nginx-module-otel@nginx

USER 101

COPY src/image-provider/static/ /static/
COPY src/image-provider/nginx.conf.template /nginx.conf.template

EXPOSE ${IMAGE_PROVIDER_PORT}

STOPSIGNAL SIGQUIT

# Start nginx
CMD ["/bin/sh" , "-c" , "envsubst '$OTEL_COLLECTOR_HOST $IMAGE_PROVIDER_PORT $OTEL_COLLECTOR_PORT_GRPC $OTEL_SERVICE_NAME' < /nginx.conf.template > /etc/nginx/nginx.conf && cat  /etc/nginx/nginx.conf && exec nginx -g 'daemon off;'"]