feat: customized timescaledb docker image

Dockerfile

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+# TimescaleDB tools
+FROM docker.io/library/golang:alpine AS timescaledb-tools
+
+RUN apk update && apk add --no-cache git gcc musl-dev \
+    && go install github.com/timescale/timescaledb-tune/cmd/timescaledb-tune@latest \
+    && go install github.com/timescale/timescaledb-parallel-copy/cmd/timescaledb-parallel-copy@latest
+
+# TimescaleDB extension
+FROM docker.io/timescale/timescaledb:2.16.1-pg16-bitnami AS timescaledb
+
+# Copy the last 3 versions of the extension
+RUN cd /opt/bitnami/postgresql/lib \
+    && cp timescaledb.so /tmp \
+    && cp -r $(ls . | grep timescaledb- | sort | tail -n 3) /tmp \
+    && cp -r $(ls . | grep timescaledb-tsl- | sort | tail -n 3) /tmp \
+    && cd /opt/bitnami/postgresql/share/extension \
+    && cp -r $(ls . | grep timescaledb | grep .sql) /tmp
+
+# PostgreSQL Server
+FROM docker.io/bitnami/postgresql:16.4.0 AS postgresql
+
+# TimescaleDB tools
+COPY --from=timescaledb-tools /go/bin/* /usr/local/bin/
+
+# TimescaleDB extension (We will install last 3 versions)
+COPY --from=timescaledb /tmp/*.so /opt/bitnami/postgresql/lib/
+
+# TimescaleDB upgrade and downgrade scripts
+COPY --from=timescaledb /tmp/*.sql /opt/bitnami/postgresql/share/extension/
+
+# TimescaleDB initialization scripts
+COPY --from=timescaledb /docker-entrypoint-initdb.d/*.sh /docker-entrypoint-initdb.d/
+
+# Entrypoint
+COPY docker-entrypoint.sh /usr/local/bin/docker-entrypoint.sh
+
+ENTRYPOINT [ "docker-entrypoint.sh" ]
+CMD [ "/opt/bitnami/scripts/postgresql/run.sh" ]

docker-entrypoint.sh

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+#!/usr/bin/env bash
+
+# Load PostgeSQL environment variables and Bitnami Logging Libraty
+. /opt/bitnami/scripts/postgresql-env.sh
+. /opt/bitnami/scripts/liblog.sh
+
+# We have to use the bitnami configuration variable to add timescaledb to
+# shared preload list, or else it gets overwritten.
+if [ -z "$POSTGRESQL_SHARED_PRELOAD_LIBRARIES" ]
+then
+    POSTGRESQL_SHARED_PRELOAD_LIBRARIES=timescaledb
+else
+    POSTGRESQL_SHARED_PRELOAD_LIBRARIES="$POSTGRESQL_SHARED_PRELOAD_LIBRARIES,timescaledb"
+fi
+export POSTGRESQL_SHARED_PRELOAD_LIBRARIES
+
+# If it's already init, run timescaledb-tune again (to update the config if needed)
+if [ -f "$POSTGRESQL_VOLUME_DIR/.user_scripts_initialized" ]; then
+    # Run timescaledb-tune script
+    info "Running timescaledb-tune to update the configuration..."
+    /docker-entrypoint-initdb.d/001_timescaledb_tune.sh
+    info "timescaledb-tune finished"
+fi
+
+# Fall through to the original entrypoint. Note that we use exec here because
+# this wrapper script shouldn't change PID 1 of the container.
+exec "/opt/bitnami/scripts/postgresql/entrypoint.sh" "$@"