From 531d9f8ed5a18980a8e3fbf4329c6477ce0a4570 Mon Sep 17 00:00:00 2001
From: Matthew Lopez <73856503+MatthewL246@users.noreply.github.com>
Date: Mon, 24 Jun 2024 21:12:22 -0400
Subject: [PATCH 1/4] chore: update Docker setup

---
 .dockerignore |  3 +--
 Dockerfile    | 47 ++++++++++++++++++++++++++++++++---------------
 2 files changed, 33 insertions(+), 17 deletions(-)

diff --git a/.dockerignore b/.dockerignore
index a63fa03..d1ff676 100644
--- a/.dockerignore
+++ b/.dockerignore
@@ -3,5 +3,4 @@
 build
 log
 go.work
-*.test
-go.work.sum
\ No newline at end of file
+go.work.sum
diff --git a/Dockerfile b/Dockerfile
index dcd440c..8d3c4c1 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,19 +1,36 @@
-# --- builder ---
-FROM golang:1.20.6-alpine3.17 as builder
-LABEL stage=builder
-RUN apk add git
-WORKDIR /build
+# syntax=docker/dockerfile:1
 
-COPY go.* ./
-RUN go mod download
+ARG app_dir="/home/go/app"
 
-COPY . ./
-ARG BUILD_STRING=pretendo.friends.docker
-RUN go build -ldflags "-X 'main.serverBuildString=${BUILD_STRING}'" -v -o server
 
-# --- runner ---
-FROM alpine:3.17 as runner
-WORKDIR /build
+# * Building the application
+FROM golang:1.22-alpine3.20 AS build
+ARG app_dir build_string=pretendo.friends.docker
 
-COPY --from=builder /build/server /build/
-CMD ["/build/server"]
+WORKDIR ${app_dir}
+
+RUN --mount=type=cache,target=/go/pkg/mod/ \
+	--mount=type=bind,source=go.sum,target=go.sum \
+	--mount=type=bind,source=go.mod,target=go.mod \
+	go mod download -x
+
+COPY . .
+RUN --mount=type=cache,target=/go/pkg/mod/ \
+	CGO_ENABLED=0 go build -v -o ${app_dir}/build/server -ldflags "-X 'main.serverBuildString=${build_string}'"
+
+
+# * Running the final application
+FROM alpine:3.20 AS final
+ARG app_dir
+WORKDIR ${app_dir}
+
+RUN addgroup go && adduser -D -G go go
+
+RUN mkdir -p ${app_dir}/log
+RUN chown go:go ${app_dir}/log
+
+USER go
+
+COPY --from=build ${app_dir}/build/server ${app_dir}/server
+
+CMD [ "./server" ]

From dd3c2368801a813f037e90775f205d6996c8e8d2 Mon Sep 17 00:00:00 2001
From: Matthew Lopez <73856503+MatthewL246@users.noreply.github.com>
Date: Tue, 25 Jun 2024 19:05:25 -0400
Subject: [PATCH 2/4] feat: create Docker build and publish action

---
 .github/workflows/docker.yml | 47 ++++++++++++++++++++++++++++++++++++
 1 file changed, 47 insertions(+)
 create mode 100644 .github/workflows/docker.yml

diff --git a/.github/workflows/docker.yml b/.github/workflows/docker.yml
new file mode 100644
index 0000000..9e1ef9c
--- /dev/null
+++ b/.github/workflows/docker.yml
@@ -0,0 +1,47 @@
+name: Build and Publish Docker Image
+
+on:
+  push:
+  pull_request:
+  workflow_dispatch:
+
+jobs:
+  build-publish:
+    env:
+      SHOULD_PUSH_IMAGE: ${{ (github.event_name == 'push' && (github.ref == 'refs/heads/master' || github.ref == 'refs/heads/dev')) || github.event_name == 'workflow_dispatch' }}
+    runs-on: ubuntu-latest
+
+    steps:
+      - name: Set up QEMU for Docker
+        uses: docker/setup-qemu-action@v3
+
+      - name: Set up Docker Buildx
+        uses: docker/setup-buildx-action@v3
+
+      - name: Log into the Docker container registry
+        if: ${{ env.SHOULD_PUSH_IMAGE == 'true' }}
+        uses: docker/login-action@v3
+        with:
+          username: ${{ secrets.DOCKER_USERNAME }}
+          password: ${{ secrets.DOCKER_PASSWORD }}
+
+      - name: Extract Docker metadata
+        id: meta
+        uses: docker/metadata-action@v5
+        with:
+          images: ${{ github.repository }}
+          tags: |
+            type=raw,value=latest,enable=${{ github.ref == 'refs/heads/master' }}
+            type=raw,value=edge,enable=${{ github.ref == 'refs/heads/dev' }}
+            type=sha
+
+      - name: Build and push Docker image
+        id: build-and-push
+        uses: docker/build-push-action@v6
+        with:
+          platforms: linux/amd64,linux/arm64
+          push: ${{ env.SHOULD_PUSH_IMAGE }}
+          tags: ${{ steps.meta.outputs.tags }}
+          labels: ${{ steps.meta.outputs.labels }}
+          cache-from: type=gha
+          cache-to: type=gha,mode=max

From d5395eb9d177503ad0678d0fba658aefe9f4590d Mon Sep 17 00:00:00 2001
From: Matthew Lopez <73856503+MatthewL246@users.noreply.github.com>
Date: Mon, 1 Jul 2024 15:32:24 -0400
Subject: [PATCH 3/4] chore: separate app_dir and build_string arguments for
 readability

---
 Dockerfile | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/Dockerfile b/Dockerfile
index 8d3c4c1..26dd3fc 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -5,7 +5,8 @@ ARG app_dir="/home/go/app"
 
 # * Building the application
 FROM golang:1.22-alpine3.20 AS build
-ARG app_dir build_string=pretendo.friends.docker
+ARG app_dir
+ARG build_string=pretendo.friends.docker
 
 WORKDIR ${app_dir}
 

From 4f0c4e74c9f1c0110ec222ad085c8b1010b6e1a0 Mon Sep 17 00:00:00 2001
From: Matthew Lopez <73856503+MatthewL246@users.noreply.github.com>
Date: Mon, 1 Jul 2024 15:32:47 -0400
Subject: [PATCH 4/4] chore: mkdir and chown on one layer

---
 Dockerfile | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/Dockerfile b/Dockerfile
index 26dd3fc..20b2b7a 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -27,8 +27,7 @@ WORKDIR ${app_dir}
 
 RUN addgroup go && adduser -D -G go go
 
-RUN mkdir -p ${app_dir}/log
-RUN chown go:go ${app_dir}/log
+RUN mkdir -p ${app_dir}/log && chown go:go ${app_dir}/log
 
 USER go