Added Makefile for explorer.

explorer/Makefile

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+.PHONY: build_explorer install_explorer set_cap create_env
+
+ifneq (,$(wildcard ./.env))
+    include .env
+    export
+endif
+
+create_env:
+	truncate -s0 /tmp/aligned_layer/explorer/.env
+	echo "RPC_URL=${RPC_URL}" >> /tmp/aligned_layer/explorer/.env
+	echo "ENVIRONMENT=${ENVIRONMENT}" >> /tmp/aligned_layer/explorer/.env
+	echo "ALIGNED_CONFIG_FILE=${ALIGNED_CONFIG_FILE}" >> /tmp/aligned_layer/explorer/.env
+	echo "PHX_HOST=${PHX_HOST}" >> /tmp/aligned_layer/explorer/.env
+	echo "ELIXIR_HOSTNAME=${ELIXIR_HOSTNAME}" >> /tmp/aligned_layer/explorer/.env
+	echo "PHX_SERVER=true" >> /tmp/aligned_layer/explorer/.env
+	echo "DB_NAME=${DB_NAME}" >> /tmp/aligned_layer/explorer/.env
+	echo "DB_USER=${DB_USER}" >> /tmp/aligned_layer/explorer/.env
+	echo "DB_PASS=${DB_PASS}" >> /tmp/aligned_layer/explorer/.env
+	echo "DB_HOST=${DB_HOST}" >> /tmp/aligned_layer/explorer/.env
+	echo "TRACKER_API_URL=${TRACKER_API_URL}" >> /tmp/aligned_layer/explorer/.env
+	echo "SECRET_KEY_BASE=${SECRET_KEY_BASE}" >> /tmp/aligned_layer/explorer/.env
+	echo "KEYFILE_PATH=/home/app/.ssl/key.pem" >> /tmp/aligned_layer/explorer/.env
+	echo "CERTFILE_PATH=/home/app/.ssl/cert.pem" >> /tmp/aligned_layer/explorer/.env
+
+# on /tmp/aligned_layer/explorer/ as app
+build_explorer: export MIX_ENV=prod
+build_explorer:
+	mix local.hex --force
+	mix local.rebar --force
+	mix deps.get --only $(MIX_ENV)
+	echo $(ENVIRONMENT)
+	mix compile
+	pnpm --prefix=assets/ install
+	mix phx.digest
+	mix assets.deploy
+	mix release --overwrite
+
+# on /tmp/aligned_layer/explorer/ as app
+install_explorer: 
+	mkdir -p /home/app/repos/explorer/
+	mv /tmp/aligned_layer/ /home/app/repos/explorer/
+
+# on /home/app/repos/explorer/aligned_layer/explorer/ as admin
+set_cap:
+	sudo setcap CAP_NET_BIND_SERVICE=+eip /home/app/repos/explorer/aligned_layer/explorer/_build/prod/rel/explorer/erts-14.2.1/bin/beam.smp
+
+# on /home/app/repos/explorer/aligned_layer/explorer/ as app
+run_service:
+	mkdir -p /home/app/config/
+	cp /home/app/repos/explorer/aligned_layer/explorer/.env /home/app/config/.env.explorer
+	systemctl --user daemon-reload
+	systemctl --user enable --now explorer

explorer/README.md

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+# Explorer
+
+## Steps to build
+
+1. Clone [Aligned Layer](https://github.com/yetanotherco/aligned_layer/) inside the `/tmp` directory.
+   ```
+   cd /tmp/
+   git clone https://github.com/yetanotherco/aligned_layer
+   ```
+
+3. Head to the `explorer/` folder and run the following command:
+   ```
+   RPC_URL=
+   ENVIRONMENT=
+   ALIGNED_CONFIG_FILE=
+   PHX_HOST=
+   ELIXIR_HOSTNAME=
+   PHX_SERVER=true
+   DB_NAME=
+   DB_USER=
+   DB_PASS=
+   DB_HOST=
+   TRACKER_API_URL=
+   SECRET_KEY_BASE=
+   KEYFILE_PATH=/home/app/.ssl/key.pem
+   CERTFILE_PATH=/home/app/.ssl/cert.pem
+   make create_env
+   ```
+   > The values to be filled can be found inside the documentation.
+
+3. Build the elixir application.
+   ```
+   make build_explorer
+   ```
+
+4. Move the built binary outside `/tmp/` and move it to the actual location.
+   ```
+   make install_explorer
+   ```
+
+5. Set the `CAP_NET_BIND_SERVICE=+eip` to the elixir application to allow elixir to bind port `443`
+   ```
+   make set_cap
+   ```
+   > This step must be ran as user `admin`.
+
+7. Enable the systemd service.
+   ```
+   make run_service
+   ```