feat: Add terraform configuration for Keycloak

To make the current Keycloak setup more transparent and to make testing
new changes easier in local development, add a Keycloak setup with
Terraform and add Keycloak and Terraform to the Docker Compose setup.

Signed-off-by: Johanna Lamppu <[email protected]>

Author: lamppu

Diff for: .gitignore

@@ -153,4 +153,8 @@ generated-zod-schemas/
 .clever.json
 
 # Yarn lockfile
-yarn.lock
+yarn.lock
+
+# Terraform
+terraform/.terraform/*
+terraform/terraform.tfstate*

Diff for: docker-compose.yml

@@ -77,6 +77,34 @@ services:
                 condition: service_healthy
                 required: true
 
+    keycloak:
+        image: quay.io/keycloak/keycloak:26.1.4
+        command: start-dev
+        ports:
+            - "8083:8080"
+        environment:
+            - KC_BOOTSTRAP_ADMIN_USERNAME=keycloak-admin
+            - KC_BOOTSTRAP_ADMIN_PASSWORD=keycloak-admin
+        healthcheck:
+            test: timeout 10s bash -c ':> /dev/tcp/localhost/8080'
+            interval: 10s
+            timeout: 5s
+            retries: 20
+
+    terraform:
+        build:
+            context: ./terraform
+        working_dir: /workspace
+        volumes:
+            - ./terraform:/workspace
+        depends_on:
+            keycloak:
+                condition: service_healthy
+        entrypoint: ["/bin/sh", "-c"]
+        command: >
+            "terraform init &&
+            terraform apply -auto-approve"
+
     api:
         build:
             dockerfile: API.Dockerfile

Diff for: terraform/.terraform.lock.hcl

@@ -0,0 +1,7 @@
+# SPDX-FileCopyrightText: 2025 Double Open Oy
+# 
+# SPDX-License-Identifier: MIT
+
+FROM hashicorp/terraform:1.6
+
+RUN apk add --no-cache curl jq bash