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diff --git a/docker/docker-compose.db.yml b/docker/docker-compose.db.yml
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+### CRIMSON --- A simple PHP framework.
+### Copyright © 2024 Freya Murphy <contact@freyacat.org>
+###
+### This file is part of CRIMSON.
+###
+### CRIMSON is free software; you can redistribute it and/or modify it
+### under the terms of the GNU General Public License as published by
+### the Free Software Foundation; either version 3 of the License, or (at
+### your option) any later version.
+###
+### CRIMSON is distributed in the hope that it will be useful, but
+### WITHOUT ANY WARRANTY; without even the implied warranty of
+### MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+### GNU General Public License for more details.
+###
+### You should have received a copy of the GNU General Public License
+### along with CRIMSON. If not, see <http://www.gnu.org/licenses/>.
+
+services:
+  # `docker-compose-db.yml`
+  # This compose file creates the `postgres`, and `db-init` containers.
+  # Crimson uses prostgres for its database and uses db-init to initalize the
+  # baseline required for all crimson components.
+  #
+  # This service stack is only enabled when API_ENABLED=true.
+
+  postgres:
+    build: ../build/postgres
+    restart: unless-stopped
+    environment:
+      - POSTGRES_INITDB_ARGS=--encoding=UTF-8 --lc-collate=C --lc-ctype=C
+      - POSTGRES_DB
+      - POSTGRES_USER
+      - POSTGRES_PASSWORD
+    volumes:
+      - ${DATA}/schemas:/var/lib/postgresql/data
+      - ${SOURCE}/db:/db:ro
+    healthcheck:
+      test: pg_isready -U ${POSTGRES_USER} -d ${POSTGRES_DB}
+      interval: 1s
+      timeout: 3s
+      retries: 10
+      start_period: 3s
+
+  db-init:
+    # => Guarantees the required crimson baseline in the database.
+    # i.e. sys schema used for storing migration meta data and other small
+    # things.
+    # => Runs all database migrations for you. All that is needed
+    # is that the migration file convention is followed.
+    # => If the API is enabled, also loads in the api schema for postgrest.
+    #
+    # Once db-init finishes, it will create a `db-ready` file in
+    # /var/run/crimson to tell crimson's php code its to further route requests.
+    #
+    # For information on databse conventions and layouts, see
+    # `build/db-init/README.md`.
+    build: ../build/db-init
+    restart: no
+    environment:
+      - POSTGRES_DB
+      - POSTGRES_USER
+      - POSTGRES_PASSWORD
+      - API_ENABLED
+      - API_SECRET
+    volumes:
+      - ${SOURCE}/db:/db:ro
+      - ${DATA}/crimson:/var/run/crimson
+    depends_on:
+      postgres:
+        condition: service_healthy
+
+  php:
+    # Crimson supports calling the postgres database inside php though the
+    # database library. Thus is in added dependency. Crimson does not need to
+    # depend on db-init since db-init has a ready file that crimons uses
+    # instead.
+    depends_on:
+      postgres:
+        condition: service_healthy