Dockerfile

FROM alpine:3.22.1
LABEL maintainer="Fedor Borshev <fedor@borshev.com>"

ARG POSTGRES_VERSION=17

RUN apk update \
    && apk --no-cache add dumb-init postgresql${POSTGRES_VERSION}-client curl aws-cli supercronic


ENV POSTGRES_DATABASE=**None**
ENV POSTGRES_HOST=**None**
ENV POSTGRES_PORT=5432
ENV POSTGRES_USER=**None**
ENV POSTGRES_PASSWORD=**None**
ENV POSTGRES_EXTRA_OPTS ''
ENV S3_ACCESS_KEY_ID=**None**
ENV S3_SECRET_ACCESS_KEY=**None**
ENV S3_BUCKET=**None**
ENV S3_REGION us-west-1
ENV S3_PATH 'backup'
ENV S3_ENDPOINT=**None**
ENV S3_S3V4=no
ENV SCHEDULE=**None**
ENV SUCCESS_WEBHOOK=**None**

ADD entrypoint.sh .
ADD backup.sh .

HEALTHCHECK CMD curl --fail http://localhost:9746/health || exit 1

ENTRYPOINT ["/usr/bin/dumb-init", "--"]
CMD ["sh", "entrypoint.sh"]