Added Docker and Docker Compose configuration for AWS Health Exporter

.dockerignore

@@ -0,0 +1 @@
+docker-compose.yaml

.env.example

@@ -0,0 +1,3 @@
+AWS_ACCESS_KEY_ID=your-access-key-id
+AWS_SECRET_ACCESS_KEY=your-secret-access-key
+AWS_REGION=us-east-1

.gitignore

@@ -1,3 +1,7 @@
+#env variables
+
+.env
+
 # Compiled Object files, Static and Dynamic libs (Shared Objects)
 *.o
 *.a
@@ -25,4 +29,4 @@ _testmain.go
 
 aws-health-exporter
 
-.idea
+.idea

Dockerfile

@@ -1,12 +1,28 @@
-FROM golang:alpine
+# Start from the full Golang image to build the binary
+FROM golang:1.20-alpine3.18 as builder
 
-ARG SOURCE_COMMIT
+# Define ARG for source commit with default value as N/A
+ARG SOURCE_COMMIT=N/A
 
-ADD . /go/src/github.com/Jimdo/aws-health-exporter
-WORKDIR /go/src/github.com/Jimdo/aws-health-exporter
+# Set the current working directory inside the container
+WORKDIR /app
 
+# Download the necessary Go modules
+COPY go.mod go.sum ./
+RUN go mod download
+
+# Copy the Go source code into the container
+COPY . .
+
+# Build the Go application with SOURCE_COMMIT as build argument
 RUN DATE=$(date -u '+%Y-%m-%d-%H%M UTC'); \
-    go install -ldflags="-X 'main.Version=${SOURCE_COMMIT}' -X 'main.BuildTime=${DATE}'" ./...
+    CGO_ENABLED=0 GOOS=linux go build -a -installsuffix cgo -o aws_health_exporter -ldflags="-X 'main.Version=${SOURCE_COMMIT}' -X 'main.BuildTime=${DATE}'" .
+
+# Use the Google Distroless image for the final image
+FROM gcr.io/distroless/base
+
+# Copy the binary from builder
+COPY --from=builder /app/aws_health_exporter .
 
-ENTRYPOINT  [ "/go/bin/aws-health-exporter" ]
-EXPOSE      9383
+# Run the binary
+ENTRYPOINT ["./aws_health_exporter"]

docker-compose.yaml

@@ -0,0 +1,15 @@
+version: '3.8'
+services:
+  aws-health-exporter:
+    env_file:
+      - .env
+    build:
+      context: .
+      dockerfile: Dockerfile
+    environment:
+      - AWS_ACCESS_KEY_ID=${AWS_ACCESS_KEY_ID}
+      - AWS_SECRET_ACCESS_KEY=${AWS_SECRET_ACCESS_KEY}
+      - AWS_REGION=${AWS_REGION}
+    command: ["--aws.region", "${AWS_REGION}"]
+    ports:
+      - 9383:9383