build,scripts: postgres dockerfile and multiarch build

build/package/docker/pginit.sql

@@ -0,0 +1,5 @@
+-- These commands are run with psql inside the container after postgres starts.
+CREATE USER kwild WITH PASSWORD 'kwild' SUPERUSER REPLICATION;
+CREATE DATABASE kwild OWNER kwild;
+-- the tests db:
+CREATE DATABASE kwil_test_db OWNER kwild;

build/package/docker/postgres.dockerfile

@@ -2,7 +2,7 @@ FROM postgres:16.1
 
 # Inject the init script that makes the kwild superuser and a kwild database
 # owned by that kwild user, as well as a kwil_test_db database for tests.
-COPY ./init.sql /docker-entrypoint-initdb.d/init.sql
+COPY ./pginit.sql /docker-entrypoint-initdb.d/init.sql
 
 # Override the default entrypoint/command to include the additional configuration
 CMD ["postgres", "-c", "wal_level=logical", "-c", "max_wal_senders=10", "-c", "max_replication_slots=10", "-c", "max_prepared_transactions=2"]

scripts/build/docker

@@ -2,6 +2,8 @@
 #
 # Build docker image
 #
+# This must be run from the repository root.
+#
 
 set -eu
 
@@ -30,4 +32,5 @@ BUILD_ARGS="${BUILD_ARGS} --build-arg go_race=${GO_RACEFLAG:-}"
 
 export DOCKER_BUILDKIT=1
 
-docker build .  -t "${IMAGE}:${GIT_VERSION}" -t "${IMAGE}:latest" ${BUILD_ARGS} -f "./build/package/docker/${DOCKER_FILE}" --progress=auto
+docker build .  -t "${IMAGE}:${GIT_VERSION}" -t "${IMAGE}:latest" ${BUILD_ARGS} \
+    -f "./build/package/docker/${DOCKER_FILE}" --progress=auto

scripts/publish/postgres

@@ -0,0 +1,18 @@
+#!/usr/bin/env sh
+#
+# Build and push the Kwil postgres docker image
+#
+
+set -eu
+
+ROOT=$(dirname "$0")/../..
+
+cd "$ROOT"/build/package/docker
+
+: ${TAG:=latest}
+
+echo Building kwild for multiarch and pushing to dockerhub, tag: ${TAG}
+
+docker build --platform linux/amd64,linux/arm64/v8 -t kwildb/postgres:${TAG} \
+    --label "postgres configured for Kwil DB" \
+    --push -f postgres.dockerfile .