ARG ALPINE_VERSION=3.21

FROM alpine:${ALPINE_VERSION}

WORKDIR /

# Install tools for PostgreSQL, MariaDB, and AWS CLI
RUN apk update && \
    apk add --no-cache \
    gnupg \
    aws-cli \
    postgresql-client \
    mysql-client mariadb-connector-c \
    curl

# Install MSSQL tools (sqlcmd) for Microsoft SQL Server on Alpine
# Source: https://learn.microsoft.com/en-us/sql/linux/sql-server-linux-setup-tools
RUN curl -O https://download.microsoft.com/download/b/9/f/b9f3cce4-3925-46d4-9f46-da08869c6486/msodbcsql18_18.1.1.1-1_amd64.apk && \
    curl -O https://download.microsoft.com/download/b/9/f/b9f3cce4-3925-46d4-9f46-da08869c6486/mssql-tools18_18.1.1.1-1_amd64.apk && \
    apk add --allow-untrusted msodbcsql18_18.1.1.1-1_amd64.apk && \
    apk add --allow-untrusted mssql-tools18_18.1.1.1-1_amd64.apk && \
    rm msodbcsql18_18.1.1.1-1_amd64.apk mssql-tools18_18.1.1.1-1_amd64.apk

# Install go-cron for scheduled backups
# Source: https://github.com/ivoronin/go-cron
ARG TARGETARCH
RUN curl -L https://github.com/ivoronin/go-cron/releases/download/v0.0.5/go-cron_0.0.5_linux_${TARGETARCH}.tar.gz -O && \
    tar xvf go-cron_0.0.5_linux_${TARGETARCH}.tar.gz && \
    rm go-cron_0.0.5_linux_${TARGETARCH}.tar.gz && \
    mv go-cron /usr/local/bin/go-cron && \
    chmod +x /usr/local/bin/go-cron

RUN rm -rf /var/cache/apk/*

ENV PATH="${PATH}:/opt/mssql-tools18/bin"

ENV DATABASE_NAME=''
ENV DATABASE_HOST=''
ENV DATABASE_PORT=''
ENV DATABASE_USER=''
ENV DATABASE_SERVER=''
ENV DATABASE_PASSWORD=''
ENV PGDUMP_EXTRA_OPTS=''
ENV MARIADB_DUMP_EXTRA_OPTS=''
ENV MARIADB_EXTRA_OPTS=''
ENV MSSQL_EXTRA_OPTS=''
ENV MSSQL_DATA_DIR='/var/opt/mssql/data'
ENV S3_ACCESS_KEY_ID=''
ENV S3_SECRET_ACCESS_KEY=''
ENV S3_BUCKET=''
ENV S3_REGION='us-west-1'
ENV S3_PATH='backup'
ENV S3_ENDPOINT=''
ENV S3_S3V4='no'
ENV SCHEDULE=''
ENV PASSPHRASE=''
ENV BACKUP_KEEP_DAYS=''

ADD src/run.sh run.sh
ADD src/env.sh env.sh
ADD src/backup.sh backup.sh
ADD src/helpers.sh helpers.sh
ADD src/restore.sh restore.sh

CMD ["sh", "run.sh"]