Added support for developing in devcontainer (#480)

.devcontainer/on-create.sh

@@ -0,0 +1,70 @@
+#!/usr/bin/env bash
+
+# Runs once when the container is first created.
+
+set -euo pipefail
+
+REPO_ROOT="$(cd "$(dirname "$0")/.." && pwd)"
+export FLUXER_CONFIG="${FLUXER_CONFIG:-$REPO_ROOT/config/config.json}"
+
+GREEN='\033[0;32m'
+NC='\033[0m'
+info() { printf "%b\n" "${GREEN}[devcontainer]${NC} $1"; }
+
+info "Installing pnpm dependencies..."
+pnpm install
+
+# Codegen outputs (e.g. MasterZodSchema.generated.tsx) are gitignored.
+info "Generating config schema..."
+pnpm --filter @fluxer/config generate
+
+if [ ! -f "$FLUXER_CONFIG" ]; then
+	info "Creating config from development template..."
+	cp "$REPO_ROOT/config/config.dev.template.json" "$FLUXER_CONFIG"
+fi
+
+# Point services at Docker Compose hostnames and adjust settings that differ
+# from the default dev template.
+info "Patching config for Docker Compose networking..."
+jq '
+	# rspack defaults public_scheme to "https" when unset
+	.domain.public_scheme = "http" |
+	# Relative path so the app works on any hostname (localhost, 127.0.0.1, etc.)
+	.app_public.bootstrap_api_endpoint = "/api" |
+
+	.internal.kv = "redis://valkey:6379/0" |
+
+	.integrations.search.url = "http://meilisearch:7700" |
+	.integrations.search.api_key = "fluxer-devcontainer-meili-master-key" |
+
+	# Credentials must match .devcontainer/livekit.yaml
+	.integrations.voice.url = "ws://livekit:7880" |
+	.integrations.voice.webhook_url = "http://app:49319/api/webhooks/livekit" |
+	.integrations.voice.api_key = "fluxer-devcontainer-key" |
+	.integrations.voice.api_secret = "fluxer-devcontainer-secret-key-00000000" |
+
+	.integrations.email.smtp.host = "mailpit" |
+	.integrations.email.smtp.port = 1025 |
+
+	.services.nats.core_url = "nats://nats-core:4222" |
+	.services.nats.jetstream_url = "nats://nats-jetstream:4223" |
+
+	# Bluesky OAuth requires HTTPS + loopback IPs (RFC 8252), incompatible with
+	# the HTTP-only devcontainer setup.
+	.auth.bluesky.enabled = false
+' "$FLUXER_CONFIG" > "$FLUXER_CONFIG.tmp" && mv "$FLUXER_CONFIG.tmp" "$FLUXER_CONFIG"
+
+info "Running bootstrap..."
+"$REPO_ROOT/scripts/dev_bootstrap.sh"
+
+info "Pre-compiling Erlang gateway dependencies..."
+(cd "$REPO_ROOT/fluxer_gateway" && rebar3 compile) || {
+	info "Gateway pre-compilation failed (non-fatal, will compile on first start)"
+}
+
+info "Devcontainer setup complete."
+info ""
+info "  Start all dev processes:  process-compose -f .devcontainer/process-compose.yml up"
+info "  Open the app:             http://127.0.0.1:48763"
+info "  Dev email inbox:          http://127.0.0.1:48763/mailpit/"
+info ""