containerisation: add minimal docker conatiner support with compose

Author: ksauraj

Dockerfile

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+# Build stage
+FROM golang:1.21-alpine AS builder
+
+WORKDIR /app
+
+# Copy go mod and sum files
+COPY go.mod go.sum ./
+
+# Download dependencies
+RUN go mod download
+
+# Copy the source code
+COPY . .
+
+# Build the application
+RUN CGO_ENABLED=0 GOOS=linux go build -o main .
+
+# Final stage
+FROM alpine:latest
+
+WORKDIR /app
+
+# Copy the binary from builder
+COPY --from=builder /app/main .
+# Copy rclone config
+COPY rclone.conf .
+
+# Run the application
+CMD ["./main"]

docker-compose.yml

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+version: '3.8'
+
+services:
+  api:
+    build: .
+    ports:
+      - "8080:8080"
+    volumes:
+      - ./rclone.conf:/app/rclone.conf:ro
+      - /tmp:/tmp  # For temporary file handling
+    restart: unless-stopped
+    environment:
+      - TZ=Asia/Kolkata
+      # Server configuration
+      - SERVER_READ_TIMEOUT=600s    # 10 minutes
+      - SERVER_WRITE_TIMEOUT=600s   # 10 minutes
+      - SERVER_IDLE_TIMEOUT=120s    # 2 minutes
+      - SERVER_ADDR=0.0.0.0:8080
+    deploy:
+      resources:
+        limits:
+          memory: 2G
+        reservations:
+          memory: 512M
+    ulimits:
+      nofile:
+        soft: 65536
+        hard: 65536