From 896fe2f1b86fe1f9e97d0de8486f69fc07750b24 Mon Sep 17 00:00:00 2001
From: louis <louis@systemli.org>
Date: Thu, 3 Oct 2024 13:16:18 +0200
Subject: [PATCH] =?UTF-8?q?=F0=9F=90=B3=20Add=20Docker=20Image?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 .env.example                      | 10 +++++++++
 .github/dependabot.yml            |  5 +++++
 .github/workflows/integration.yml |  3 +++
 .gitignore                        |  1 +
 Dockerfile                        | 36 +++++++++++++++++++++++++++++++
 docker-compose.yml                | 13 +++++++++++
 6 files changed, 68 insertions(+)
 create mode 100644 .env.example
 create mode 100644 .gitignore
 create mode 100644 Dockerfile
 create mode 100644 docker-compose.yml

diff --git a/.env.example b/.env.example
new file mode 100644
index 0000000..d70c67b
--- /dev/null
+++ b/.env.example
@@ -0,0 +1,10 @@
+USERLI_TOKEN=insecure
+USERLI_BASE_URL=http://localhost:8000
+ALIAS_LISTEN_ADDR=":10001"
+DOMAIN_LISTEN_ADDR=":10002"
+MAILBOX_LISTEN_ADDR=":10003"
+SENDERS_LISTEN_ADDR=":10004"
+METRICS_LISTEN_ADDR=":10005"
+
+LOG_LEVEL=debug
+LOG_FORMAT=text
diff --git a/.github/dependabot.yml b/.github/dependabot.yml
index c9bdbc9..1f3739e 100644
--- a/.github/dependabot.yml
+++ b/.github/dependabot.yml
@@ -14,3 +14,8 @@ updates:
     directory: "/"
     schedule:
       interval: "monthly"
+
+  - package-ecosystem: "docker"
+    directory: "/"
+    schedule:
+      interval: "monthly"
diff --git a/.github/workflows/integration.yml b/.github/workflows/integration.yml
index 158324c..04918b2 100644
--- a/.github/workflows/integration.yml
+++ b/.github/workflows/integration.yml
@@ -43,3 +43,6 @@ jobs:
 
       - name: Build
         run: go build
+
+      - name: Docker Build
+        run: docker build .
diff --git a/.gitignore b/.gitignore
new file mode 100644
index 0000000..4c49bd7
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1 @@
+.env
diff --git a/Dockerfile b/Dockerfile
new file mode 100644
index 0000000..1956178
--- /dev/null
+++ b/Dockerfile
@@ -0,0 +1,36 @@
+FROM golang:1.23-alpine3.19 AS build
+
+ENV USER=appuser
+ENV UID=10001
+
+RUN adduser \
+    --disabled-password \
+    --gecos "" \
+    --home "/nonexistent" \
+    --shell "/sbin/nologin" \
+    --no-create-home \
+    --uid "${UID}" \
+    "${USER}"
+
+WORKDIR /app
+
+COPY go.mod go.sum ./
+
+RUN go mod download && go mod verify
+
+COPY . .
+
+RUN go build -ldflags="-s -w" -o ./userli-postfix-adapter
+
+
+FROM scratch AS runtime
+
+COPY --from=build /app/userli-postfix-adapter /userli-postfix-adapter
+
+COPY --from=build /etc/passwd /etc/passwd
+COPY --from=build /etc/group /etc/group
+COPY --from=build /etc/ssl/certs/ca-certificates.crt /etc/ssl/certs/ca-certificates.crt
+
+USER appuser:appuser
+
+ENTRYPOINT ["/userli-postfix-adapter"]
diff --git a/docker-compose.yml b/docker-compose.yml
new file mode 100644
index 0000000..4c4f319
--- /dev/null
+++ b/docker-compose.yml
@@ -0,0 +1,13 @@
+---
+services:
+  adapter:
+    image: systemli/userli-postfix-adapter
+    build: .
+    ports:
+      - "10001:10001"
+      - "10002:10002"
+      - "10003:10003"
+      - "10004:10004"
+      - "10005:10005"
+    env_file:
+      - .env