build: Add Dockerfile docker-compose.yml

.dockerignore

@@ -0,0 +1,5 @@
+*.md
+.*
+Dockerfile
+tss
+dist

Dockerfile

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+FROM golang:1.15-alpine3.12 AS dev
+
+ENV GOOS=linux
+ENV GO111MODULE=on
+
+RUN apk add --no-cache bash && \
+    go get github.com/magefile/mage
+WORKDIR /go/src/github.com/peaceiris/tss
+
+# ---
+
+FROM dev AS builder
+
+COPY . /go/src/github.com/peaceiris/tss/
+
+RUN mage install
+
+# ---
+
+FROM alpine:3.12
+
+COPY --from=builder /go/bin/tss /usr/bin/tss
+
+CMD ["tss", "-h"]

docker-compose.yml

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+version: '3'
+
+services:
+  dev:
+    image: ghcr.io/peaceiris/tssdev:latest
+    build:
+      context: .
+      target: dev
+    container_name: peaceiris_tss_dev_latest
+    volumes:
+      - ${PWD}:/go/src/github.com/peaceiris/tss
+    stdin_open: true
+    tty: true
+    command:
+      - "bash"