restructure repo, separate sample app from docker configs

Author: sidpalas

04-using-3rd-party-containers/README.md

@@ -0,0 +1,31 @@
+.PHONY: run-postgres
+run-postgres:
+	@echo Starting postgres container
+	-docker run \
+		-e POSTGRES_PASSWORD=foobarbaz \
+		-p 5432:5432 \
+		postgres:15.1-alpine
+
+.PHONY: run-api-node
+run-api-node:
+	@echo Starting node api
+	cd api-node && \
+		PGUSER=postgres \
+    PGHOST=localhost \
+    PGPASSWORD=foobarbaz \
+    PGDATABASE=postgres \
+    PGPORT=5432 \
+		npm run dev
+
+.PHONY: run-api-golang
+run-api-golang:
+	@echo Starting golang api
+	cd api-golang && \
+		DATABASE_URL=postgres://postgres:foobarbaz@localhost:5432/postgres \
+		go run main.go
+
+.PHONY: run-client-react
+run-client-react:
+	@echo Starting react client
+	cd client-react && \
+		npm run dev

05-example-web-application/Makefile

@@ -0,0 +1,16 @@
+Docker Desktop: https://docs.docker.com/get-docker/
+
+Docker Engine: https://get.docker.com/ 
+
+Hello World:
+```
+docker run docker/whalesay cowsay "Hey Team! 👋"
+```
+
+Run Postgres:
+```
+docker run \
+  --env POSTGRES_PASSWORD=foobarbaz \
+  --publish 5432:5432 \
+  postgres:15.1-alpine
+```