Adding dev container to standardize Linux build

.devcontainer/.env

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+POSTGRES_USER=postgres
+POSTGRES_PASSWORD=postgres
+POSTGRES_DB=postgres
+POSTGRES_HOSTNAME=localhost

.devcontainer/Dockerfile

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+FROM mcr.microsoft.com/devcontainers/go:1-1.20-bullseye
+
+# [Optional] Uncomment this section to install additional OS packages.
+# RUN apt-get update && export DEBIAN_FRONTEND=noninteractive \
+#     && apt-get -y install --no-install-recommends <your-package-list-here>
+
+# [Optional] Uncomment the next lines to use go get to install anything else you need
+# USER vscode
+# RUN go get -x <your-dependency-or-tool>
+# USER root
+
+# [Optional] Uncomment this line to install global node packages.
+# RUN su vscode -c "source /usr/local/share/nvm/nvm.sh && npm install -g <your-package-here>" 2>&1

.devcontainer/devcontainer.json

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+// For format details, see https://aka.ms/devcontainer.json. For config options, see the
+// README at: https://github.com/devcontainers/templates/tree/main/src/go-postgres
+{
+	"name": "Go & PostgreSQL",
+	"dockerComposeFile": "docker-compose.yml",
+	"service": "app",
+	"workspaceFolder": "/workspaces/${localWorkspaceFolderBasename}",
+	"features": {
+		"ghcr.io/marcozac/devcontainer-features/goreleaser:1": {},
+		"ghcr.io/devcontainers/features/docker-in-docker:2": {}
+		
+	}
+
+	// Features to add to the dev container. More info: https://containers.dev/features.
+	// "features": {},
+
+	// Configure tool-specific properties.
+	// "customizations": {},
+
+	// Use 'forwardPorts' to make a list of ports inside the container available locally.
+	// "forwardPorts": [5432],
+
+	// Use 'postCreateCommand' to run commands after the container is created.
+	// "postCreateCommand": "go version",
+
+	// Uncomment to connect as root instead. More info: https://aka.ms/dev-containers-non-root.
+	// "remoteUser": "root"
+}

.devcontainer/docker-compose.yml

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+version: '3.8'
+
+volumes:
+  postgres-data:
+
+services:
+  app:
+    build: 
+      context: .
+      dockerfile: Dockerfile
+    env_file:
+        # Ensure that the variables in .env match the same variables in devcontainer.json
+        - .env
+
+    volumes:
+      - ../..:/workspaces:cached
+      
+    # Overrides default command so things don't shut down after the process ends.
+    command: sleep infinity
+
+    # Runs app on the same network as the database container, allows "forwardPorts" in devcontainer.json function.
+    network_mode: service:db
+
+    # Use "forwardPorts" in **devcontainer.json** to forward an app port locally. 
+    # (Adding the "ports" property to this file will not forward from a Codespace.)
+
+  db:
+    image: postgres:latest
+    restart: unless-stopped
+    volumes:
+      - postgres-data:/var/lib/postgresql/data
+    env_file:
+      # Ensure that the variables in .env match the same variables in devcontainer.json
+      - .env
+
+
+    # Add "forwardPorts": ["5432"] to **devcontainer.json** to forward PostgreSQL locally.
+    # (Adding the "ports" property to this file will not forward from a Codespace.)