CILAMP docker example

Dockerfile

# example usage:
# docker build -t lamp .
# docker run -e LAMPID=mylampID -e TEST_CMD='date +%S | grep 1' -e TEST_INTERVAL=60 lamp

FROM alpine

RUN set -ex; \
  apk update; \
  apk add bash; \
  apk add curl

CMD while :; do ( \
    eval $TEST_CMD &> /dev/null \
    && (echo TRUE  && curl -s -X POST -F "color=${TRUE_COLOR:-#00ff00}" https://api.cilamp.se/v1/$LAMPID/ > /dev/null) \
    || (echo FALSE && curl -s -X POST -F "color=${FALSE_COLOR:-#ff0000}" https://api.cilamp.se/v1/$LAMPID/ > /dev/null) \
  ); \
  sleep $TEST_INTERVAL; done