Dockerfile

FROM registry.lqm.io/postgresql:13

ENV WORKDIR /decoderbufs
ENV PSQL_CONFIG_DIR /etc/postgresql/13/main

ENV DB_USER=postgres
ENV DB_PASS=postgres

EXPOSE 5432

WORKDIR $WORKDIR

RUN apt-get update -y && \
    apt-get install -y --no-install-recommends \
      build-essential \
      libprotobuf-c-dev \
      pkg-config \
      postgresql-server-dev-13 \
      protobuf-compiler

COPY . .

RUN export PATH=/usr/lib/postgresql/13/bin:$PATH; make && make install

RUN apt-get purge -y \
      build-essential \
      libprotobuf-c-dev \
      pkg-config \
      postgresql-server-dev-13 \
      protobuf-compiler

RUN echo "\n\
    shared_preload_libraries = 'decoderbufs' \n\
    wal_level = logical \n\
    max_wal_senders = 8 \n\
    wal_keep_size = 64 \n\
    max_replication_slots = 4 \n\
    " >> $PSQL_CONFIG_DIR/postgresql.conf && \
    echo "\n\
    local  all all trust \n\
    host   all all all trust \n\
    local  replication all trust \n\
    host   replication all all trust \n\
    " >> $PSQL_CONFIG_DIR/pg_hba.conf

HEALTHCHECK --interval=1m --timeout=5s \
  CMD psql -U postgres "dbname=postgres replication=database" -c "IDENTIFY_SYSTEM;" || exit 1