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Feb 14, 2022

PicoShare

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Overview

PicoShare is a minimalist service that allows you to share files easily.

PicoShare demo

Why PicoShare?

There are a million services for sharing files, but none of them are quite like PicoShare. Here are PicoShare's advantages:

  • Direct download links: PicoShare gives you a direct download link you can share with anyone. They can view or download the file with no ads or signups.
  • No file restrictions: Unlike sites like imgur, Vimeo, or SoundCloud that only allow you to share specific types of files, PicoShare lets you share any file of any size.
  • No resizing/re-encoding: If you upload media like images, video, or audio, PicoShare never forces you to wait on re-encoding. You get a direct download link as soon as you upload the file, and PicoShare never resizes or re-encodes your file.

Run PicoShare

From source

PS_SHARED_SECRET=somesecretpass PORT=4001 \
  go run cmd/picoshare/main.go

From Docker

To run PicoShare within a Docker container, mount a volume from your local system to store the PicoShare sqlite database.

docker run \
  --env "PORT=4001" \
  --env "PS_SHARED_SECRET=somesecretpass" \
  --publish 4001:4001/tcp \
  --volume "${PWD}/data:/data" \
  --name picoshare \
  mtlynch/picoshare

From Docker + cloud data replication

If you specify settings for a Litestream-compatible cloud storage location, PicoShare will automatically replicate your data.

You can kill the container and start it later, and PicoShare will restore your data from the cloud storage location and continue as if there was no interruption.

PORT=4001
PS_SHARED_SECRET="somesecretpass"
LITESTREAM_BUCKET=YOUR-LITESTREAM-BUCKET
LITESTREAM_ENDPOINT=YOUR-LITESTREAM-ENDPOINT
LITESTREAM_ACCESS_KEY_ID=YOUR-ACCESS-ID
LITESTREAM_SECRET_ACCESS_KEY=YOUR-SECRET-ACCESS-KEY

docker run \
  --publish "${PORT}:${PORT}/tcp" \
  --env "PORT=${PORT}" \
  --env "PS_SHARED_SECRET=${PS_SHARED_SECRET}" \
  --env "LITESTREAM_ACCESS_KEY_ID=${LITESTREAM_ACCESS_KEY_ID}" \
  --env "LITESTREAM_SECRET_ACCESS_KEY=${LITESTREAM_SECRET_ACCESS_KEY}" \
  --env "LITESTREAM_BUCKET=${LITESTREAM_BUCKET}" \
  --env "LITESTREAM_ENDPOINT=${LITESTREAM_ENDPOINT}" \
  --name picoshare \
  mtlynch/picoshare

Notes:

  • Only run one Docker container for each Litestream location.
    • PicoShare can't sync writes across multiple instances.

Using Docker Compose

To run PicoShare under docker-compose, copy the following to a file called docker-compose.yml and then run docker-compose up.

version: "3.2"
services:
  picoshare:
    image: mtlynch/picoshare
    environment:
      - PORT=4001
      - PS_SHARED_SECRET=dummypass # Change to any password
    ports:
      - 4001:4001
    command: -db /data/store.db
    volumes:
      - ./data:/data

Parameters

Command-line flags

Flag Meaning Default Value
-db Path to SQLite database "data/store.db"
-vacuum Vacuum database periodically to reclaim disk space (increases RAM usage) false

Docker environment variables

You can adjust behavior of the Docker container by passing these parameters with docker run -e:

Environment Variable Meaning
PORT TCP port on which to listen for HTTP connections (defaults to 4001).
LITESTREAM_BUCKET Litestream-compatible cloud storage bucket where Litestream should replicate data.
LITESTREAM_ENDPOINT Litestream-compatible cloud storage endpoint where Litestream should replicate data.
LITESTREAM_ACCESS_KEY_ID Litestream-compatible cloud storage access key ID to the bucket where you want to replicate data.
LITESTREAM_SECRET_ACCESS_KEY Litestream-compatible cloud storage secret access key to the bucket where you want to replicate data.

Docker build args

If you rebuild the Docker image from source, you can adjust the build behavior with docker build --build-arg:

Build Arg Meaning Default Value
litestream_version Version of Litestream to use for data replication 0.3.9

Deployment

PicoShare is easy to deploy to cloud hosting platforms: