setup repository

.gitignore

@@ -1 +1,5 @@
+# env file
 .env
+
+# tmp directory
+tmp

Dockerfile.local

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+FROM golang:1.18-alpine3.15
+
+WORKDIR /app/go/base
+
+RUN apk add --no-cache --update-cache \
+    alpine-sdk \
+    protoc
+
+RUN go install github.com/cosmtrek/air@latest && \
+    go install github.com/golang/protobuf/protoc-gen-go@latest && \
+    go install github.com/grpc-ecosystem/grpc-gateway/protoc-gen-grpc-gateway@latest && \
+    go install google.golang.org/grpc/cmd/protoc-gen-go-grpc@latest && \
+    go install github.com/pseudomuto/protoc-gen-doc/cmd/protoc-gen-doc@latest
+
+COPY . .
+
+#RUN go mod tidy

Makefile

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+.PHONY: docker-up
+docker-up:
+	@docker-compose -f docker-compose.local.yml up -d
+
+.PHONY: docker-down
+docker-down:
+	@docker-compose -f docker-compose.local.yml down
+
+.PHONY: docker-stop
+docker-stop:
+	@docker-compose -f docker-compose.local.yml stop
+
+.PHONY: docker-build
+docker-build:
+	@docker-compose -f docker-compose.local.yml build
+
+.PHONY: watch-log
+watch-log:
+	@docker-compose -f docker-compose.local.yml logs -f blockchain

README.md

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+# blockchain server
+Provide a blockchain server.
+
+## Version
+- Docker:20.10.12
+- golang:1.18
+
+## Commands
+### Run local
+- `set .env file`
+- `make docker-up`
+
+### Build local
+- `make docker-build`
+
+### Watch log local
+- `make watch-log`

cmd/.air.toml

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+# Config file for [Air](https://github.com/cosmtrek/air) in TOML format
+
+# Working directory
+# . or absolute path, please note that the directories following must be under root.
+root = "."
+tmp_dir = "tmp"
+
+[build]
+# Just plain old shell command. You could use `make` as well.
+cmd = "go build -o /tmp/main ./cmd/main.go"
+# Binary file yields from `cmd`.
+bin = "/tmp/main"
+# Customize binary.
+full_bin = "SERVER_ENV=local APP_USER=air /tmp/main"
+# Watch these filename extensions.
+include_ext = ["go", "tpl", "tmpl"]
+# Ignore these filename extensions or directories.
+exclude_dir = ["assets", "tmp", "vendor"]
+# Watch these directories if you specified.
+include_dir = []
+# Exclude files.
+exclude_file = []
+# This log file places in your tmp_dir.
+log = "air.log"
+# It's not necessary to trigger build each time file changes if it's too frequent.
+delay = 1000 # ms
+# Stop running old binary when build errors occur.
+stop_on_error = true
+# Send Interrupt signal before killing process (windows does not support this feature)
+send_interrupt = false
+# Delay after sending Interrupt signal
+kill_delay = 500 # ms
+
+[log]
+# Show log time
+time = false
+
+[color]
+# Customize each part's color. If no color found, use the raw app log.
+main = "magenta"
+watcher = "cyan"
+build = "yellow"
+runner = "green"
+
+[misc]
+# Delete tmp directory on exit
+clean_on_exit = true

cmd/main.go

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+package main
+
+import (
+	"fmt"
+)
+
+func main() {
+	fmt.Println("hello")
+}

docker-compose.local.yml

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+version: "3"
+
+services:
+  blockchain:
+    container_name: blockchain-server
+    build:
+      context: .
+      dockerfile: Dockerfile.local
+    command: "air -c /app/go/base/cmd/.air.toml"
+    env_file:
+      - .env
+    image: blockchain
+    volumes:
+      - .:/app/go/base:rw
+    tty: true
+    ports:
+      - ${REST_PORT}:${REST_PORT}
+      - ${GRPC_PORT}:${GRPC_PORT}